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owner's guide
Data 100
®
OCEANIC
®
iii
DATA100
RESPONSIBLE COMPUTER DIVING
Always Plan Each Dive
Always Limit Your Dive to the Level of Your
Training and Experience
Always Make Your Deepest Dive First
Always Make The Deepest Part Of Every Dive First
Check Your Computer Often During the Dive
Do A Safety Stop On Every Dive
Allow Adequate Surface Interval Between Each Dive
Allow Adequate Surface Interval Between Each Day
Of Diving (12 Hours Or Until Your Computer Clears)
Read And Understand This Owner's Guide
Thoroughly Before Using the Data100.
Responsible
iv
WARNINGS:
• The Data100 is intended for use only by recreational divers who have successfully completed a
nationally recognized course in scuba diving.
• It is intended only for no decompression diving, NOT intentional decompression diving.
• It must not be used by untrained persons who may not have knowledge of the potential risks and
hazards of scuba diving.
• You must obtain scuba certification before using the Data100 if you have not already done so.
• It is NOT for use by military and commercial divers.
• It should NOT be utilized for any competitive, or repetitive square wave or decompression diving, as it
is intended solely for recreational use and no decompression multilevel diving.
• As with all underwater life support equipment, improper use or misuse of this product can cause
serious injury or death.
• Never participate in sharing or swapping of a dive computer.
• Conduct your dives in such a manner so as to insure that you continuously check the computer's
proper function.
• Read and understand this owner’s guide completely before diving with the Data100.
• If you do not fully understand how to use this dive computer, or if you have any questions, you should
seek instruction in its use from your authorized Oceanic dealer before you utilize this product.
Pay special attention to items marked with this Warning symbol.
v
DATA100
LIMITED TWO-YEAR WARRANTY
Oceanic guarantees, to the original purchaser only, that the Data100 will be free of defects in materials and/or craftsmanship under normal
recreational multilevel scuba use for two years from date of purchase, provided proper care and annual service are performed as described within
this owner’s guide. Should your Data100 prove to be defective for any reason (other than those listed in the limitations section below) it will be
repaired or replaced (at Oceanic’s discretion) free of charge excluding shipping and handling charges.
This warranty will be considered void if the registration card is not filled out completely at the time of purchase and mailed to Oceanic within
30 days of purchase, and/or if the annual inspection is not done according to this owner’s guide. This warranty is non-transferrable and applies
to the original purchaser only. All correspondence concerning this warranty must be accompanied by a copy of the original sales receipt and a
copy of the owner’s portion of the warranty registration card including the annual inspection record.
Once each year you must return the Data100 to an Authorized Oceanic Dealer within 30 days of the original purchase date
anniversary to keep the two year limited warranty in force. Annual inspection includes verification of depth accuracy and proper general
function. Labor charges for the annual inspection are not covered by the warranty. You must provide a copy of the original sales receipt and a
copy of the owner’s portion of the warranty registration card including the annual service record to obtain warranty service.
Statement of Limitations - General:
Warranty does not cover damage from accident, abuse, battery leakage, tampering, lack of proper care and maintenance and/
or proper annual servicing, or improper use of the Data100. Modifications or repair by anyone other than an Oceanic Sales & Service
Center authorized to service the Data100 will void the warranty. Oceanic will not be responsible for recovery or replacement of the product in
the event of loss or theft. Oceanic, its distributors, and retailers make no warranties, either expressed or implied, with respect to this product
or its owner’s guide except those stated in the preceding paragraphs. In consideration of the sale of the Data100 to you, you agree and
understand that in no event will Oceanic, its distributors or retailers, be held liable for any personal injuries resulting from its
operation, or for any other damages whether direct, indirect, incidental, or consequential even if Oceanic is advised of such
damages.
Some states do not allow the exclusion or limitation of implied warranties or liabilities for incidental or consequential damages, so the above
limitation may not apply to you.
Warranty does not extend to plastic gauge face, o-rings, batteries, or damage due to accident, abuse, modification, or tampering.
vi
COPYRIGHT NOTICE
This owner’s guide is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or
reduced to any electronic medium or machine readable form without prior consent in writing from Oceanic / 2002 Design. * The Surface
Time/Mode, Plan Mode, No Decompression Time, Decompression Stop Time, Dive Log, Low Battery, Bottom Time, Maximum Depth,
Ascent Rate, and Caution Zone icons are protected by copyright, and are trademarks of Oceanic.
Data100 Owner's Guide, Document Number 12-1966
© 2002 Design 1996
2002 Davis Street
San Leandro, Ca. USA 94577
510/562-0500
TRADEMARK NOTICE
Oceanic, the Oceanic logo, Data100, the Data100 logo, Oceanglo, DataLog, DataLink, Diving Essentials Redefined, Graphic Diver Interface,
Tissue Loading Bar Graph, Pre Dive Planning Sequence, and Variable Ascent Rate Indicator are all registered and unregistered trademarks
of Oceanic. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued, or applied for, to protect the following design features:
Graphic Diver Interface, Pre Dive Planning Sequence, Data Sensing and Processing Device (U.S. Patent no. 4,882,678), and Variable Ascent
Rate Indicator Bar Graph (U.S. Patent no. 5,156,055).
DECOMPRESSION MODEL
The programs within the Data100 simulate the absorption of nitrogen into the body by using a mathematical model. This model is merely a way
to apply a limited set of data to a large range of experiences. The Data100 dive computer model is based upon the latest research and experiments
in decompression theory. Still, using the Data100, just as using the U.S. Navy (or other) No Decompression Tables, is no guarantee
of avoiding decompression sickness, i.e. “the bends.” Every diver’s physiology is different, and can even vary from day to day. No machine
can predict how your body will react to a particular dive profile.
* The blank Oceanic DiveLog in the Reference section may be duplicated for personal use only, not for resale.
vii
DATA100
CONTENTS
THE DATA100 IS EASY TO USE ......................................................................1
Introduction .......................................................................................................2
Regulator Attachment ..................................................................................................4
Activating the Display ..................................................................................................4
Making a Dive ...............................................................................................................5
After the Dive ...............................................................................................................8
Knowing When to Fly...................................................................................................9
Altitude Diving ...........................................................................................................10
LCD Display Legend ........................................................................................ 11
Operational Displays ....................................................................................... 12
DETAILED OPERATIONS GUIDE ................................................................ 13
Informational Displays ................................................................................... 14
Depth Display .............................................................................................................14
Time Display ...............................................................................................................15
Graphic Diver Interface™............................................................................... 16
Tissue Loading Bar Graph
®
(TLBG) .........................................................................16
Variable Ascent Rate Indicator™ (VARI) ..................................................................17
viii
CONTENTS (CONTINUED)
Operational Modes ..........................................................................................18
Activation & Diagnostic Mode ...................................................................................18
Surface Mode ..............................................................................................................20
Pre Dive Planning Sequence™ (PDPS) .....................................................................21
No Decompression Dive Mode ...................................................................................22
Decompression Dive Mode .........................................................................................24
Violation Modes ..........................................................................................................27
Gauge Mode ................................................................................................................27
Ascending to the Surface............................................................................................27
Dive Log Mode ............................................................................................................28
Time to Fly Mode........................................................................................................30
External Access Mode (EA)........................................................................................31
Backlight Feature ............................................................................................32
HANDLING THE EXTREMES ........................................................................33
Emergency Decompression ............................................................................ 34
Caution Zone (TLBG) ......................................................................................36
Exceeding Maximum Operating Depth ........................................................37
Violation Modes................................................................................................39
Conditional Violation Mode .......................................................................................39
ix
DATA100
Delayed Violation Mode..............................................................................................40
Immediate Violation Mode .........................................................................................42
Gauge Mode ................................................................................................................43
Permanent Violation ..................................................................................................44
Unexpected Loss of Displayed Information................................................. 44
Sharing the Data100........................................................................................ 45
Operating Temperature ..................................................................................45
CARE & MAINTENANCE................................................................................47
Care and Cleaning ...........................................................................................48
Annual Dealer Inspections & Factory Service ............................................ 50
Obtaining Factory Service..............................................................................51
Battery Life.......................................................................................................52
Low Battery Condition ................................................................................... 53
Battery Removal .........................................................................................................53
Battery Installation ....................................................................................................55
Flooded Battery Compartment ..................................................................................56
Inspection....................................................................................................................57
Returning the Module To Its Boot.............................................................................57
CONTENTS (CONTINUED)
x
CONTENTS (CONTINUED)
REFERENCE ....................................................................................................59
More About Flying After Diving ....................................................................60
More About Altitude Diving ........................................................................... 61
Multiple Tissue Tracking ................................................................................62
No Decompression Limits............................................................................... 64
Maximum No Decompression Dive Profile ..................................................64
Decompression Violation Limits ................................................................... 67
Repetitive Decompression Diving ................................................................. 67
Responsible Computer Diving ....................................................................... 69
Specifications ...................................................................................................70
Dive Log ............................................................................................................73
Glossary .............................................................................................................74
Index ..................................................................................................................77
Data100 Service Record..................................................................................80
THE DATA100
IS
EASY TO USE
2
INTRODUCTION
Welcome to Oceanic and thank you for choosing the Data100!
Your new Data100 presents the information that you need before, during, and
after your dives using Oceanic's intuitive combination of easy to read digital
displays and unique identification icons.
Tissue loading of nitrogen and ascent rate are presented as segmented bar
graphs alongside color coded reference indicators that bring quick focus to these
two important status displays.
As you progress through this instructional guide, you will become familiar with
all of the unique functions and features available and see examples of the dis-
plays that you could expect to see in the Data100's various operational modes.
The initial time that you invest becoming acquainted with your new Data100
will be returned as you enjoy your underwater activities with the comfort that
your familiarization affords.
The Data100's wide array of features are described in detail throughout the
pages that follow. Due to the importance that they be understood thoroughly
prior to using the Data100, some information will be refreshed as you proceed.
Relax and read through the complete guide. Know your Data100!
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It is extremely important that you:
• Read this owner's guide in sequence and understand it completely
before attempting to use the Data100.
• Check the Data100 frequently during your dive.
• You must also be a trained diver, certified by a recognized training agency.
Remember that the rules you learned in your basic scuba certification course still
apply to the diving you will do while using a dive computer - some will become
even more important. Technology is no substitute for common sense, and a dive
computer only provides the person using it with data, not the knowledge to use it.
Be a RESPONSIBLE DIVER at all times.
WARNING: Inspect your Data100 prior to every dive, checking
for any signs of the entrance of moisture, damage to the button
membrane, or damage to the LCD display. If these or other signs
of damage are found, return the unit to an Authorized Oceanic
Dealer or Oceanic Parts & Service. DO NOT attempt to use until
it has received factory service.
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REGULATOR ATTACHMENT
If you have purchased the Data100 in a console version, you will need to have it
attached to your regulator first stage by an Authorized Oceanic Dealer.
ACTIVATING THE DISPLAY
You activate the Data100 by pressing and releasing the control button located
below the display (Fig. 1a). Depressing the button during the Dive Mode will
activate the display's Oceanglo™ backlight. After a diagnostic check that lasts
about 10 seconds, it enters the pre dive Surface Mode signified by the Surface
Mode icon (Fig. 1b). Also displayed will be the number "0" indicating that no
dive has been made since activation. The surface time display will start counting
up from 0:00. If no dive is made within 2 hours (2:00), the unit will automati-
cally shut off.
After displaying the Surface Mode for approximately 10 seconds, the Data100
automatically changes to a Plan Mode (Fig. 2) referred to as the Pre Dive Plan-
ning Sequence or PDPS signified by the PDPS icon (Fig. 2a). The PDPS
displays a sequence of depths from 30 to 160 feet (9 to 48 meters) in 10 foot (3
meter) increments. Each depth is displayed with its corresponding available
adjusted no decompression limit for 3 seconds. Upon completion of the Se-
quence, the Surface Mode is displayed, then the PDPS, etc.
Fig. 2 - Pre Dive
Planning Sequence
Fig. 1 - Surface Mode
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WARNING: The Data100 must be manually activated and be in
the Surface Mode or PDPS Mode prior to start of a dive. The
unit will not activate automatically by immersion in water.
MAKING A DIVE
Once you enter the water and descend to a depth below 5 feet (1.5 m)., the
Data100 changes to the No Decompression Dive Mode (Fig. 3) signified by
the No Decompression icon (Fig. 3a). Displayed are current depth, elapsed dive
time (and the Elapsed Dive Time icon), no decompression dive time remaining,
maximum depth reached during the dive (and the Max Depth icon), nitrogen
loading (as the Tissue Loading Bar Graph), and ascent rate (as the Variable
Ascent Rate Indicator bar graph).
To make it easy to check your dive status on the Data100, a color coded system
of graphic displays is used for representation of tissue nitrogen loading and
ascent rate. This Graphic Diver Interface™ (Fig. 4) consists of two seg-
mented bar graphs appearing alongside green, yellow and red perimeter sections
that signify normal, caution, and danger zones, respectively.
When underwater, you can quickly focus on the two bar graphs and making sure
that they are in the green. You can quickly verify that you’re not getting too
close to the no decompression limit or ascending too fast.
Fig. 3 - No Decompression
Dive Mode
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Fig. 4 - Graphic Diver
Interface
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AFTER THE DIVE
After reaching 3 feet (1 meter) upon ascent, the Surface Mode display (Fig. 9)
will replace the Dive Mode display. After 10 minutes in the Surface Mode, and
at once each minute afterward, the Surface Mode display will alternate with the
Pre Dive Planning Sequence (PDPS). The PDPS will show 'adjusted' no decom-
pression limits based on the nitrogen calculated to have been absorbed during
your last dive. Calculated dive times displayed by the PDPS will increase as the
real time surface interval increases after completion of a dive.
Immediately after a dive, various information is stored in the Data100’s memory
and can be viewed by accessing the Dive Log Mode (Fig. 10). This gives you a
opportunity to record it in your log book before it is eventually overwritten by
subsequent data. Your latest 12 dives are stored and can be viewed by pressing
the control button.
Dive Log Mode signified by the Dive Log icon (Fig. 10a) will automatically scroll
through the latest 12 dives, starting with the most recent dive first. The Log
displays the dive number (#), surface interval prior to the dive, maximum depth
(and Max Depth icon), elapsed dive (bottom) time (and Elapsed Time icon), and
maximum ascent rate (VARI) attained at any time during the dive. It also
displays end of dive tissue loading (TLBG). This is handy when making deci-
sions regarding subsequent dive planning.
Fig. 10 - Dive Log Mode
Fig. 9 - Surface Mode
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KNOWING WHEN TO FLY
Due to the present lack of a complete data set derived from actual human
testing, there are different recommendations cited by various scientific organiza-
tions for the amount of time a diver should wait before flying after diving. The
Data100 follows one of the more conservative of these, cited by Divers Alert
Network (DAN); that divers wait at least 12 hours before flying in pressurized
commercial aircraft, and at least 24, or more, hours if your profiles included
repetitive multi-day or decompression dives. More about flying after diving and
DAN's guidelines is presented on page 54 in the Reference section.
The Data100 tracks how much surface time has elapsed since you surfaced from
your latest dive. The Time to Fly Mode begins a 24 hour countdown that
starts 10 seconds after a dive. During the first 12 hours, the countdown appears
for several seconds at the beginning of the PDPS (Fig.11).
During the second 12 hours of the countdown, only the word FLY and the
counter will be displayed (Fig. 12). During this second period, depressing the
control button will reactivate the Data100, replacing the Time to Fly countdown
with the Surface Display and scrolling PDPS.
WARNING: Battery removal and replacement will clear the Time
to Fly countdown
Fig. 11 - Time to Fly Mode
(First 12 hours)
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Fig. 12 - Time to Fly Mode
(Last 12 hours)
10
ALTITUDE DIVING
The mathematical model within the Data100 accounts for the reduced No
Decompression time available at higher elevations based on NOAA (National
Oceanic and Atmospheric Administration) guidelines. When diving in high
altitude lakes or rivers from 2,000 to 14,000 feet (610 to 4,268 meters), the
Data100 will adjust automatically, providing corrected depth and reduced No
Decompression times.
Also, when above 2,000 feet (610 meters), depth calibration of the unit is auto-
matically changed to read in feet of freshwater rather than feet of seawater. The
Data100 will not activate at altitudes above 14,000 feet (4,268 meters).
More about altitude diving and NOAA guidelines is presented on page 55 in the
Reference section.
WARNING: Until it has shut itself off, you must not use the
Data100 at a different altitude than the altitude where it was
originally activated. Doing so will result in an error equal to the
difference in barometric pressure, and possibly a false dive mode
with erroneous data. Battery removal and replacement will
cause the Data100 to reset.
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1. Tissue Loading Bar Graph (TLBG) -
(Green - No Decompression zone)
2. TLBG - (Yellow - Caution zone)
3a. TLBG - (Red - 10 foot/3 meter stop ceiling)
3b. TLBG - (20 foot/6 meter stop ceiling)
3c. TLBG - (30 foot/9 meter stop ceiling)
3d. TLBG - (40 foot/12 meter stop ceiling)
3e. TLBG - (50 foot/15 meter stop ceiling)
3f. TLBG - (60 foot/18 meter stop ceiling)
4a. Variable Ascent Rate Indicator (VARI) -
(Green zone - rate safe)
4b. VARI - (Yellow zone - rate excessive)
4c. VARI - (Red zone - rate Too Fast)
5. Icon - Operating Mode - (See Detail A)
6. Icon - Low Battery
7. Icon - Log Mode
8. Icon - Elapsed Bottom Time
9. Icon - Deco Stop Ceiling
10. Control Button
11. Infrared Interface Ports (Factory Use)
12. Icon - Maximum Depth
Surface PDPS
No Deco Dive
Detail 'A' - Operating Mode Icons
Deco Dive
LCD Display Legend
12
Operational Displays
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Surface Mode PDPS
Dive Log Mode
Time to Fly
Deco - Alt Display
Conditional ViolationDeco DiveNo Deco Dive
DETAILED
OPERATIONS
GUIDE
14
INFORMATIONAL DISPLAYS
Each Data100 numeric or graphic display represents a unique piece of informa-
tion. It is imperative that you understand the formats, ranges, and values of the
information represented by the Data100's displays to avoid any possible misun-
derstanding that could result in error. This section describes each display in
detail.
Depth Display
During a dive, the Current Depth display, located in the upper portion of the
LCD (Fig. 13a), indicates depths from 0 to 330 feet (99.5 meters) in 1 foot (.5
meter) increments. In the event that you descend deeper than 330 feet (99.5
meters), this display will show three dashes to indicate, until you ascend to 330
feet (99.5 meters) or shallower, that you have gone 'out of range'. In the Surface
or Dive Log modes, the Dive Number replaces the current depth display.
A second depth display located in the lower left portion of the LCD (Fig. 13b)
indicates the Maximum Depth reached during that dive. In the event that you
descend deeper than 330 feet (99.5 meters), this display will only show three
dashes for the remainder of that dive and as the Max Depth in the Dive Log for
that dive.
During a Decompression Dive the required Ceiling Stop Depth replaces the
Maximum Depth display (Fig. 13c). However, Maximum Depth will appear for 3
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(No Decompression Mode)
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(Decompression Mode)
Fig. 13 - Depth Displays
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seconds when the screen toggles to the Alternate display once every 15 seconds
while in the Decompression Mode.
Time Display
The Main Time display, located in the center of the LCD (Fig. 14a), indicates
elapsed Surface Time, theoretical Dive Time Available during the PDPS, No
Decompression Dive Time Remaining, or Total Ascent Time required depending
on the mode that the Data100 is in at the time.
A second time display, located in the lower right portion of the LCD (Fig. 14b),
indicates Elapsed Dive (bottom) Time, or Decompression Stop Time for the
current stop ceiling indicated as identified by the Elapsed Dive Time and Ceiling
Stop icons, respectively.
Time displays are shown in hour:minute format (i.e. 1:06 represents one hour
and six minutes, not 106 minutes!). The colon that separates hours and minutes
blinks once per second when the display is indicating real time such as elapsed
Surface Time or Dive (bottom) Time. Dive Time Available, No Decompression
Dive Time Remaining, or Total Ascent Time required are calculated projections
of time and use a solid (non-blinking) colon to indicate that they is counting
down, rather than counting up.
Fig. 14 - Time Displays
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16
GRAPHIC DIVER INTERFACE
Two bar graphs referred to as the Graphic Diver Interface™ are located around
the perimeter of the Data100's LCD. They are color coded green, yellow, and red
to denote normal, caution and danger zones, respectively. The Graphic Diver
Interface allows you to make quick status checks underwater of your no decom-
pression status and ascent rate. Keeping these bar graphs in the green at all
times will reduce your exposure to decompression sickness and the effects of an
excessive ascent rate.
Tissue Loading Bar Graph
®
(TLBG)
The Tissue Loading Bar Graph
®
(TLBG) represents nitrogen loading, showing
your relative no decompression or decompression status. As your depth and
bottom time increase, segments will add to the graph in an arc beginning from
the lower left. As you ascend to shallower depths, the TLBG will begin to recede,
indicating that additional no decompression time is allowed for multilevel diving.
The TLBG also assists you with managing decompression by indicating six
'ceiling' (stop) depths, which are explained in more detail in the Handling the
Extremes section.
The TLBG, located around the outside edge of the LCD (Fig. 15), monitors 12
different nitrogen compartments simultaneously and displays the one that is in
control of your dive. It is divided into a green No Decompression zone, a yellow
Caution zone, and a red Decompression zone. The red Decompression zone is
Fig. 15 - TLBG
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further divided into 6 Decompression 'ceiling' zones representing 10FT/ 3M,
20FT/ 6M, 30FT/ 9M, 40FT/ 12M, 50FT/ 15M, and 60FT/ 18M stop depths.
WARNING: Oceanic advocates responsible diving practices
consistent with your individual level of formal training and
experience, and does not recommend decompression diving or
diving below 130 feet (39 m).
Variable Ascent Rate Indicator™ (VARI)
The Variable Ascent Rate Indicator™ (VARI), located along the bottom of the
LCD screen (Fig. 16), is provided to help you to avoid excessive ascent rates by
providing a visual representation of ascent speed, rather than just showing that
you are ascending too fast.
The LCD displays 5 triangular segments, beginning from the left side, that may
be considered an ascent rate speedometer. The actual speeds that the VARI
segments represent are shown above Fig. 16. When your ascent rate exceeds 60
feet (18 meters) per minute, the VARI segments will enter the red zone and flash
once per second until your ascent speed is slowed.
A legend of the LCD is provided at the end of this section Ensure that you are
familiar with all displays prior to using your Data100.
Fig. 16 - VARI
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Segments = Speed
0 = 0 to 20 fpm (0 to 6 mpm)
1 = 21 to 30 fpm (6.5 to 9 mpm)
2 = 31 to 40 fpm (9.5 to 12 mpm)
3 = 41 to 50 fpm (12.5 to 15 mpm)
4 = 51 to 60 fpm (15.5 to 18 mpm)
5 = 61+ fpm (18.5+ mpm)
18
OPERATIONAL MODES
The Data100’s different operating modes are easy to tell apart. Each is clearly
identified with graphic mode icons (Fig. 17) which provide quick visual reference
during the various modes of operation. Become familiar with all modes so that
you understand exactly what information the Data100 is providing you at any
specific time.
Above water modes include - Diagnostic Mode, Pre Dive Planning Sequence™
(PDPS), Surface Mode, Dive Log Mode, and Time to Fly Mode. Diagnostic and
Dive Log Modes are accessed by pressing the control button.
Underwater modes include the No Decompression Dive Mode, Decompression
Dive Mode and Alternate Decompression Dive Mode, Violation Mode, and Gauge
Mode. You will not see Decompression Dive, Violation, or Gauge Modes unless
you dive to extremes.
Activation & Diagnostic Mode
WARNING: Never activate the Data100 underwater. This may
result in inaccurate depth and no decompression time displays.
Activation is not possible deeper than 4 feet (1.5 meters) under-
water, or at elevations higher than 14,000 feet (4,267 meters).
For Activation, refer to the explanation given on page 4.
Fig. 17 - Icons
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a - operating (Dive) mode
b - Low Battery warning
c - Dive Log mode
d - Ceiling (Deco Stop)
e - Elapsed Dive Time
f - Maximum Depth
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Diagnostic Mode is displayed immediately following activation. After pressing
and releasing the control button, the Diagnostic Mode will display all "8's”
followed by dashes, and then a countdown from 9 to 0 (Fig. 18). During the
countdown, the Data100 checks its display functions and battery voltage to
ensure everything is working properly, then changes to the Surface Mode.
If battery voltage is below the level sufficient for a day's operation, the Battery
icon will be displayed, flashing. Below 15% of rated voltage all graphic displays
will shut off except the Battery icon that will flash 16 final times prior to shut-
down of the Data100. See page 53 for more information regarding Low Battery.
WARNING: If a Low Battery condition is indicated immediately
upon activation, Oceanic strongly recommends that you DO NOT
dive until batteries are replaced.
If the flashing Low Battery icon disappears and the unit stays on
implying satisfactory voltage, DO NOT dive until batteries are
replaced. This could occur if the button is depressed for greater
than 8 seconds and the unit enters an External Access (EA) mode.
If a dive is not made within 2 hours after activation, the Data100 will shut off
automatically to save battery power. Always check your Data100 before
entering the water to ensure that it has been activated.
Fig. 18 - Diagnostic Mode
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Surface Mode
Surface Mode, identified by the Surface Mode icon to the left of the Surface Time
display, immediately follows Diagnostic Mode after initial activation. Informa-
tion provided includes, the number of the most recent dive made ('0' if no dive
has been made since activation), elapsed Surface Time with the colon flashing,
and tissue (nitrogen) loading, if any, as the TLBG.
At the end of a dive, when you ascend to 3 feet (1 meter) or shallower, the
Data100 will automatically enter Surface Mode (Fig 19) and begin counting your
Surface Interval. This first 10 minutes is in affect, a transition period:
• The main Time display will start to count Surface Interval with the colon
flashing.
• The Dive Mode icon will be replaced by the Surface Mode icon that will flash
indicating post dive Surface Mode transition.
• The previous Dive Number will appear above the Main Time display.
• The TLBG will indicate current nitrogen loading.
If you descend during that first 10 minute transition period, time underwater
will be considered a continuation of that dive. The time at the surface (if less
than 10 minutes) will not be added as bottom time. During the 10 minute
transition period, the Log Mode is accessible and will display that dive'sdata,
however, it will not be stored in the unit's memory until the 10 minute period is
Fig. 19 - Surface Mode
(First 10 minutes)
DATA100
21
completed. The PDPS will not appear until after the first 10 minutes.
Once 10 minutes have elapsed, the Surface Mode icon stops flashing. Other
information will continue to be displayed as described above. Time to Fly will
appear once per minute at the beginning of the PDPS. That dive will then be
entered into the memory of the Log Mode, and a subsequent descent will be
considered a new dive.
Pre Dive Planning Sequence
(PDPS)
Prior to every dive, Oceanic strongly recommends that you view the
PDPS to review the no decompression limits that will help you plan
your dive as required to avoid decompression. This is especially important
for repetitive dives, when the PDPS (Fig. 20) will indicate for you the adjusted
no decompression bottom times that are available to you on your next dive,
based on any residual nitrogen following your last dive and surface interval.
WARNING: The PDPS predicts only no decompression times for
subsequent dives. Depending on cylinder size and air consump-
tion, you may have less time available than shown in the PDPS
because of air or other limitations.
As you will recall from page 5, after activation and diagnostics, the unit will
enter the Surface Mode for 10 seconds then automatically commence the PDPS,
identified by the PDPS icon (Fig. 20a). At that time and once each minute
Fig. 20 - PDPS
(Repetitive Dive)
FT
G
LO
DATA
100
a
22
afterward, the PDPS will automatically replace the Surface mode and sequen-
tially show depths from 30 to 160 feet (9 to 48 m) in 10 foot (3 m) increments,
which takes about 42 seconds. With each depth display you will see 'predicted'
no decompression limits based upon your previous dive profiles.
The Data100 will then return to the Surface mode for approximately 18 seconds
before repeating the PDPS, continuing between the two modes for the first 12
hours after surfacing. The no decompression limits for a “clean” dive (no dives
in the previous 24 hours) are those listed in Figure 21.
Information displayed (Fig. 20, page 21 and above Fig. 21) includes Maximum
Depth, No Decompression Limit (Dive Time) available at that depth, and the
PDPS mode icon. No Decompression times are only displayed for depths where
there are at least 3 minutes dive time available at the depth, taking into account
a descent rate of 120 feet (36 meters) per minute.
No Decompression Dive Mode
WARNING: The Data100 must be manually activated and be in
the Surface Mode or PDPS Mode prior to start of a dive. The
unit will not activate automatically by immersion in water.
Upon descending deeper than 5 feet (1.5 meters), the Data100 will enter the No
Decompression Dive Mode, identified by the No Decompression Dive icon located
to the left of the Main Time display.
Fig. 21 - No Decompression
Limits
Depth NDL-hr:min
feet (meters) Eng (Metric)
30 (9) 4:20 (4:43)
40 (12) 2:17 (2:24)
50 (15) 1:20 (1:24)
60 (18) 0:57 (0:58)
70 (21) 0:40 (0:41)
80 (24) 0:30 (0:31)
90 (27) 0:24 (0:26)
100 (30) 0:19 (0:20)
110 (33) 0:16 (0:16)
120 (36) 0:13 (0:13)
130 (39) 0:10 (0:11)
140 (42) 0:09 (0:09)
150 (45) 0:08 (0:08)
160 (48) 0:07 (0:07)
FT
G
LO
DATA
100
DATA100
23
Information provided includes Current Depth, Elapsed Dive Time (and Elapsed
Dive Time icon), No Decompression Dive Time Remaining for that depth, and
Maximum Depth for that dive (and Max Depth icon). The Graphic Diver Inter-
face is also active, displaying nitrogen loading (TLBG) and ascent rate (VARI).
No Decompression Dive Time Remaining is the maximum amount of
time you can stay at your current depth before entering a decompression
situation. The No Decompression Time is calculated based on the amount
of nitrogen absorbed by 12 hypothetical tissue compartments. The rates
each of these compartments absorb and release nitrogen is mathemati-
cally modeled and compared against a maximum allowable nitrogen level.
Whichever one of the 12 is closest to this maximum level will be consid-
ered the controlling compartment for that depth. Its resulting value is
displayed numerically (Fig. 22a) along with the No Decompression Dive
icon (Fig. 22b), and graphically in the TLBG (Fig. 22c).
As you ascend from depth following a dive that has approached the no
decompression limit, the TLBG will diminish as control shifts to slower
compartments. This is a feature of the decompression model that is the
basis for multilevel diving, one of the most important advantages the
Data100 offers. See page 62 in the Reference section for more information
pertaining to tissue tracking.
Fig. 22 - No Decompression
Dive Mode
FT
G
LO
DATA
100
a
b
c
24
The no decompression algorithm is based upon Haldane’s theory using
maximum allowable nitrogen levels developed by Merrill Spencer. Repeti-
tive diving control is based upon experiments designed and conducted by
Dr. Ray Rogers and Dr. Michael Powell in 1987. Diving Science and
Technology
®
(DSAT), a corporate affiliate of PADI
®
, commissioned these
experiments and now uses the findings in the Recreational Dive Planner
distributed by PADI.
As your depth and bottom time increase, the TLBG will fill with segments in a
clockwise direction from the lower left toward the upper center to represent the
absorption of nitrogen. If the TLBG passes the 12 o'clock position (Fig. 23), you
enter Decompression Mode. Upon ascent to shallower depths, the bar graph will
begin to recede in a counter clockwise direction, indicating that additional no
decompression time is available through multilevel diving.
Decompression Dive Mode
The Data100 will help you to avoid and manage decompression.
WARNING: Oceanic recommends the application of responsible
diving practices and does not recommend decompression diving,
or diving deeper than 130 feet (39 meters), as these practices will
greatly increase your risk of decompression sickness.Fig. 23 - Entering into
Decompression Mode
FT
G
LO
DATA
100
12 o'clock
No Deco Deco
DATA100
25
Decompression Dive Mode, identified by the Decompression Dive icon located to
the left of the Main Time Display (Fig. 24a), activates when the theoretical no
decompression dive time/depth limits are exceeded causing the TLBG to pass the
12 o'clock position and enter the red decompression zone (Fig. 24b). Information
provided includes current depth, current required decompression ceiling stop
depth and time (and Ceiling Stop icon - Fig. 24c), and total ascent time that
includes stop time at all ceilings and vertical ascent time calculated at 60 feet (18
meters) per minute.
Once every 15 seconds while in the Decompression Dive Mode, an alternate
display (Fig. 25) will appear on screen for 3 seconds. Information provided
includes current depth, total ascent time, maximum depth for that dive (and
Max Depth icon), and elapsed dive time (and Elapsed Dive Time icon).
The Graphic Diver Interface will continue to display the VARI bar graph and the
TLBG, that now acts as a Decompression “ceiling” indicator showing the ceiling
stop depth that you must stay below.
Upon entering decompression, you must immediately change the focus of your
dive to getting back to the surface. Upon seeing the TLBG enter the red 10FT/
3M ceiling stop zone, you should immediately begin a safe ascent, 60 feet (18
meters) per minute or slower, to a depth slightly deeper than or equal to the stop
ceiling indicated.
Fig. 24 - Decompression
Dive Mode
FT
G
LO
DATA
100
Fig. 25 - Decompression
(Alternate Screen)
FT
G
LO
DATA
100
c
a
b
26
You must stay at, or slightly below, the ceiling stop depth indicated
until the TLBG recedes into the next shallower zone before ascending
any further, or you will increase your risk of decompression sickness.
The amount of decompression credit time you receive is dependent on depth,
with slightly less credit given the deeper you are. Still, you must never
ascend shallower than your decompression ceiling. Doing so will greatly
increase your risk of decompression sickness and place the Data100 into a
Conditional Violation Mode described later. When coping with surge and swell,
it may be difficult to stay at an exact depth. You should stay slightly deeper (Fig.
26a) than the required stop depth indicated (Fig. 26b) until the TLBG recedes
into the next shallower zone. Then, you can ascend to, but not shallower than,
that indicated ceiling.
Once you have performed the required decompression, the Data100 will switch
to No Decompression Dive Mode, allowing additional time underwater. Though
more time may be available, you must spend a portion of this time continuing to
decompress at a safety stop deeper than or equal to 10 feet (3 meters). This will
let the TLBG recede further into the yellow Caution zone or green No Decom-
pression zone.
During a dive in which you inadvertently enter decompression, you must focus
on reducing your tissue loading as much as possible - by spending as much time
as you can at your final safety stop.
Fig. 26 - Decompression
Stop Depth
FT
G
LO
DATA
100
b
b
a
DATA100
27
Violation Modes
The Data100 enters one of three different Violation Modes when you exceed its
ability to predict an ascent procedure. These modes are explained fully in the
Handling the Extremes section beginning on page 33.
Gauge Mode
If the Data100 enters a Permanent Violation Mode, it will operate in Gauge
Mode on subsequent dives, only displaying depth and time. The Data100 re-
moves calculated displays that no longer provide correct information because of
the violation. For the Data100 to reset itself, no dives must be made for 24
hours. See page 43 for a more detailed explanation of Gauge Mode.
ASCENDING TO THE SURFACE
While ascending to shallower depths , the segments that have filled up the TLBG
(Fig. 27a) will begin to recede in a counter clockwise direction, offering a graphic
representation of your multilevel diving capability. If you entered the Decom-
pression Mode, you must not complete your ascent until the TLBG is at least
inside the yellow Caution zone. If you have not entered the Decompres-
sion Mode, a safety stop made between 15-20 feet is strongly recom-
mended as a standard procedure before completing your ascent.
Providing that your air supply is sufficient, you should make every effort to
Fig. 27 - TLBG
FT
G
LO
DATA
100
a
28
complete all of your ascents with the TLBG inside the green zone. While you
cannot provide a guarantee against the occurrence of decompression
sickness, you may choose your own personal zone of caution based
upon your individual age, physique, excessive weight, training, experi-
ence, etc. to reduce the statistical risk.
The Ascent Rate Indicator (Fig. 28) shows how fast you are ascending. When
you exceed the maximum prescribed ascent rate of 60 feet per minute (18 meters
per minute), the segments will enter the red zone and you will be alerted by a
flashing bar graph. Rates as they correspond with the bar graph are: 0 seg-
ments = 0 to 20 fpm (0 to 6 mpm), 1 segment = 21 to 30 fpm (6.5 to 9 mpm), 2
segments = 31 to 40 fpm (9.5 to 12 mpm), 3 segments = 41 to 50 fpm (12.5 to 15
mpm), 4 segments = 51 to 60 fpm (15.5 to 18 mpm), and 5 flashing segments =
61+ fpm (18+ mpm).
Dive Log Mode
Dive Log Mode, identified by the Dive Log icon (Fig. 29a) located above the
Surface Display icon, can be accessed while on the surface using the button on
the front of the module. Information from your 12 latest dives is stored in the
log for view. After 12 dives are accumulated, each subsequent dive will over-
write the oldest dive that exists in the log, i.e. the Data100 will add the most
recent dive while deleting the oldest. Information is not lost when batteries are
removed from the unit.
DATA
100
G
LO
FT
G
LO
DATA
100
Fig. 28 - VARI (Too Fast)
Fig. 29 - Dive Log Mode
a
DATA100
29
Dives are displayed in a sequence that starts with the dive most recently re-
corded scrolling back to the oldest of the 12 stored for viewing. Thus, your most
recent dive will always be the first shown in the log sequence, the second most
recent will appear next, etc.
You can choose to either press and release, or press and hold, the button. Mo-
mentarily pressing and releasing the button initiates the Automatic Dive Log
Sequence, that shows the log for each dive for approximately 4 seconds before
scrolling to the previous dive's log.
Pressing and holding the button in will freeze the information on the display
giving you a chance to write it down in your logbook. To view the previous dive's
log, momentarily release the button, then depress and hold it in again.
Information provided for each dive's log includes (Fig. 30):
• Dive Number - each time the unit is activated the first dive conducted
during that 'activation period will be #1. Example:
• Last Saturday you conducted 3 dives and the unit automatically shut off.
• Today you conducted 2 dives.
• Your log sequence would be #2, #1, #3, #2, #1.
• This relates to #2 (today' most recent dive), #1 (today's first dive), #3
(Last Saturday's last dive), #2 (Last Saturday's second dive), #1(Last
Saturday's first dive), etc.
• Surface Interval - prior to that dive
• Maximum Depth - reached during that dive (and Max Depth icon)
Fig. 30 - Dive Log
DATA
100
G
LO
30
• Elapsed Dive Time (and Elapsed Dive Time icon)
• VARI - maximum ascent rate at any time during that dive
• TLBG - tissue loading at the time you surfaced from the dive.
Time to Fly Mode
As you should be aware from your own training, the longer you wait to
fly after diving, the more you will reduce your exposure to decompres-
sion sickness.
The Time to Fly counter begins counting down 10 minutes after the last dive has
ended to assist you with deciding when enough surface time has elapsed to fly. It
appears once per minute for several seconds before the Pre Dive Planning
Sequence (Fig. 31) showing the word FLY above a countdown display that starts
at 23:50 (hr : min).
Twelve hours after the last dive, the Surface Mode and PDPS will be replaced
with the Fly Mode (Fig. 32). The word FLY will be displayed continuously, with
the final 12 hour countdown from 12:00 to 0:00.
WARNING: During the final 12 hours (the period between 12 and
24 hours after a dive), the Data100 is in a countdown mode only
and must be reactivated prior to commencing a dive.
Fig. 31 - Fly Mode
(First 12 Hours)
Fig. 32 - Fly Mode
(Second 12 Hours)
G
LO
DATA
100
G
LO
DATA
100
32
BACKLIGHT FEATURE
In addition to using a high contrast LCD for easy readability in low light condi-
tions, the Data100's Oceanglo™ backlight feature evenly and easily illuminates
the full display (Fig. 34). This means that on night dives, in caves, or any other
low light situation you illuminate the display when you wish to view it, with the
touch of a button.
To activate the Oceanglo™ backlight during the Dive mode, simply press and
hold the control button. Oceanglo will remain illuminated as long as the button
is depressed, plus 10 seconds after being released.
Oceanic recommends that you always carry primary and backup dive
lights when conducting dives that could include low light situations.
Fig. 34 - Oceanglo™
Backlight
FT
G
LO
DATA
100
HANDLING THE
EXTREMES
DATA100
35
The Data100 is a sophisticated instrument designed with capabilities that go
beyond the range of recreational diving with compressed air. It should not be
considered, however, that these built-in capabilities provide any im-
plied approval or consent from Oceanic for individuals to exceed the
defined limits of recreational dive profiles, as agreed on by all interna-
tionally recognized training agencies.
Decompression diving should therefore be strictly avoided. The
Data100 is designed to help you by providing a complete representation of how
close you are to entering decompression. In the event that you do inadvertently
enter decompression, the red zone of the TLBG (Fig. 35), the Data100 can
provide you with limited information to help you ascend to the surface, if you
follow the instructions given in this section.
Oceanic strongly recommends that you avoid entering decompression,
and reminds you that decompression diving requires special training.
The Data100 cannot provide you with a backup air supply for emergen-
cies or the ascent line you will need, and decompression diving greatly
increases your risk of decompression sickness.
Fig. 35 - TLBG
Decompression Zone
G
LO
DATA
100
Red Deco Zone
36
G
LO
DATA
100
WARNING: Existing data for making planned decompression
dives is extremely limited, and virtually nonexistent for repeti-
tive decompression diving. You must therefore avoid decompres-
sion diving and allow a surface interval of at least 24 hours
before reentering the water in the event a dive requiring decom-
pression is made.
If you’re not careful, it is possible to enter decompression rapidly, whether at
deep depths or during repetitive dives.
After entering decompression (especially at deeper depths) the TLBG may fill
the decompression stop zones rapidly. Once you’ve entered decompression, it is
imperative that you immediately change the focus of your activities and begin a
safe ascent toward the required decompression stop ceiling. If you continue
the dive at a depth greater than the ceiling, your exposure to decom-
pression sickness will increase, and you will risk entering violation
mode and losing the information needed to ascend properly.
CAUTION ZONE (TLBG)
Your dive training taught you not to get too close to the No Decompression
limits. The yellow Caution zone (C.Z.) of the TLBG, and its position on the LCD
peripheral (Fig. 36), offers you a convenient way to consistently monitor how
Fig. 36 - TLBG
Caution Zone
Yellow Caution Zone
DATA100
37
close you are coming to the No Decompression limit, located at the 12 o'clock
position. Oceanic suggests always leaving the water with the TLBG in the
green No Decompression zone.
WARNING: Never exit the water with the TLBG in the red
Decompression zone. Doing so greatly increases the risk of
decompression sickness, and may result in injury or death.
Body metabolism varies from person to person, and even from day to day. If you
are feeling less than 100%, or you are in less than perfect physical shape, use
the Caution zone as a visual reference to place a wider margin of
protection between you and the No Decompression limit.
EXCEEDING MAXIMUM OPERATING DEPTH
Although the Data100 will withstand the pressures found at 330 feet (99.5
meters), the depth that you can still use all its features could be much shallower.
WARNING: The maximum recommended sport diving depth
limit is 130 feet (39 meters). Any deeper dive should be avoided.
Special training, equipment and support are necessary for this
type of diving. Oceanic does not advocate diving to depths below
130 feet (39 meters), or decompression diving, the basis for which
is theoritical.
38
FT
G
LO
DATA
100
The maximum depth that the Data100 will display all of its features, is 330 feet
(99.5 meters). Upon exceeding 330 feet (99.5 meters), the TLBG will flash and
Depth and Max Depth displays will only indicate and flash three dashes “
signifying that you are 'Out of Range' (Fig. 37).
The numeric depth display will not reappear until you ascend shallower than
330 feet (99.5 meters). You will also enter the Delayed Violation Mode, described
on page 40. For the remainder of that dive, and in the log for that dive, three
dashes will be displayed as the value for Max Depth.
After a dive, the Data100 will continue to calculate residual nitrogen for up to 24
hours. For a clean dive with no residual nitrogen remaining from previous dives,
the Data100 will allow a maximum of 7 minutes no decompression dive time
available at 160 feet (48 meters). Depending on your descent rate, 7 minutes at
160 feet (48 meters) can be a very short amount of time.
It is much more practical to stay within the 11 minutes of no decompression
time allowed at 130 feet (39 meters). If you exceed 130 feet (39 meters), watch
the Data100 closely because you will enter decompression rapidly. Upon enter-
ing decompression the TLBG will pass the 12 o'clock position and enter the red
zone and the decompression stop ceiling icons will be displayed (Fig. 38).
Fig. 38 - Recognizing
Decompression Mode
Red zone
Ceiling icons
Fig. 37 - Out of Range
(>330 ft or 99.5 m)
FT
G
LO
DATA
100
40
Ascent Time display until you descend below the required decompression stop
ceiling. If you descend below the required decompression ceiling before 5
minutes have elapsed, the Data100 will continue to function as if no violation
had occurred, and you will not be penalized for your breach of the ceiling.
For the first 5 minutes in the Conditional Violation Mode, no off-gassing credit
will be given, and for each minute above the ceiling, 1
1
/
2
minutes of penalty time
is added to decompression stop time.
The added penalty decompression time will have to be “worked off” first before
obtaining off-gassing credit. Once the penalty time is worked-off, and off-
gassing credit begins, the TLBG will recede towards the Caution zone. Upon
entry into the Caution zone the Data100 will revert to the No Decompression
Mode.
If you exceed 5 minutes, the TLBG segments that have filled will flash and the
Delayed Violation Mode will be entered.
Delayed Violation Mode
Three conditions will cause the Data100 to enter the Delayed Violation Mode:
1. You remain Above the Required Decompression Ceiling for more
than 5 minutes. As previously described, you would then need to follow the
DATA100
43
Immediate Violation Mode occurs when a Decompression Stop depth much
greater than 60 feet (18 meters) is required. This situation would be
preceded by entering the Delayed Violation Mode previously described.
The Data100 cannot calculate decompression ceilings greater than 60 feet (18
meters) and offers no indication of how much time spent underwater would
result in the need for greater than a 60 foot /18 meter decompression ceiling. If
a ceiling much greater than 60 feet (18 meters) is required, an Immediate Viola-
tion Mode (Fig. 42, page 42)) will be entered. The Data100 would operate with
limited functions (depthe and elapsed dive time) in Gauge Mode during the
remainder of the dive and for 24 hours after surfacing.
Gauge Mode
Underwater the Gauge Mode is a continuation of the Immediate Violation Mode
that turns the Data100 into a digital instrument without any decompression
monitoring functions (Fig. 43).
After surfacing, Gauge Mode does not provide the PDPS and Time to Fly fea-
tures. During the first 12 hour period, the full TLBG will flash and the dive
number, and Surface mode icon will be displayed with the Surface Time (Fig.
44). During the second 12 hour period a single dash will be displayed with a
countdown timer beginning at 12:00 to inform you of the time remaining before
normal Data100 operation can resume with full features.
FT
G
LO
DATA
100
Fig. 43 - Gauge Mode
(Underwater)
Fig. 44 - Gauge Mode
(After Surfacing)
DATA
100
G
LO
44
Permanent Violation
Entering the Immediate Violation Mode, then Gauge Mode, will result in loss of
all Data100 decompression monitoring and calculating functions for 24 hours
after that dive. This condition is considered a Permanent Violation.
UNEXPECTED LOSS OF DISPLAYED INFORMATION
While No Decompression diving, if you find that any major piece of
equipment is not functioning correctly, you must abort the dive imme-
diately and surface slowly in a controlled manner. If your Data100 stops
working for any reason, it is important that you have anticipated this possibility
and are prepared for it. This is an important reason to avoid pushing the
no decompression limits, and a critical reason to avoid entering decom-
pression. Regardless of your diving habits, Oceanic advises you to dive with
additional backup instrumentation that can provide the data necessary to
properly surface if and when your primary instruments fail.
As with any other piece of equipment, unforeseen things can happen. By prepar-
ing ahead of time, you can spare yourself a great deal of frustration and disap-
pointment. If you dive in situations where your trip would be ruined or
your safety would be jeopardized by losing the use of your Data100, an
analog or digital backup system or use of standard air tables is highly
recommended.
G
LO
DATA
100
46
Even though the Data100 will operate in this wide range of temperatures, it is
possible to damage the electronics if left exposed to direct sunlight, or
in a hot confined space (like a car trunk). After the dive, cover the
Data100 and keep it out of the sun. If inadvertently left in the direct sun-
light, the LCD display may become totally black. If this occurs, immediately
immerse the Data100 in water. The display should recover its normal appear-
ance after a few minutes. Damage from excess heat, or cold, is not cov-
ered by the Data100 two year limited warranty.
A FINAL WORD CAUTION
Although the Data100 represents the latest in user friendly dive com-
puter technology, it cannot force you to understand how to use it.
Before diving with the Data100, be sure you thoroughly understand its
functions and displays. Contact your local Authorized Oceanic Dealer
if you have a question. Above all remember, technology is not a re-
placement for training, experience, and common sense!
Be a Responsible Diver!
R
E
S
P
O
N
S
I
B
L
E
D
I
V
E
R
CARE
and
MAINTENANCE
48
CARE AND CLEANING
The Data100 is a sensitive electronic instrument. Although it has been designed
to endure the rigors of diving, it still must be handled carefully to protect it from
shock, excessive cold or heat, direct sunlight, chemical attack, neglect and
tampering.
The console, wrist mount, or hose mount rubber boot that the module is carried
in will help protect it from damage. Although the module housing is made of an
impact resistant resin that is extremely shock resistant, it is susceptible to
scratches and attack by strong chemicals. If the face does become scratched,
Oceanic can replace it, although small scratches will naturally disappear under-
water. For even more convenience and additional protection against scratches,
place a transparent Oceanic Instrument Lens Protector on the gauge face.
These, and other special accessories, can be purchased from your Authorized
Oceanic Dealer for your Data100 and for many other instruments.
CAUTION: Never spray aerosols of any kind on, or near, the
Data100. The propellants may chemically attack the plastic.
If diving with a console version of the Data100, be careful not to leave it lying on
a boat deck where it might be damaged or exposed to direct sunlight. Many dive
computers (and dive trips) are ruined by encounters between carelessly tossed
computers and weight belts or tanks. If your console is attached to a tank in a
G
LO
DATA
100
Lens Protector
(actually transparent)
Prevent
Scratches with
an Oceanic
Lens Protector
DATA100
49
rack, tuck the console into a BC pocket, or between the waistband and the
bladder of the BC. Keep it off the deck and protected from undue shock.
Better yet, if you have a console version, attach an Oceanic DataLink™ (Fig. 46)
quick disconnect on the high pressure hose that connects your pressure gauge
to your regulator first stage. This allows easy removal of the complete instru-
ment console when not in use between dives. It also enables you to keep the
Data100 nearby for recording dives in your log book or planning the next dive.
During the dive, keep the Data100 from dangling freely and keep it handy
underwater by using the console retainers on your BC. This will also help
prevent damage to delicate corals or marine life.
Soak the Data100 in fresh water at the end of each day of diving, preferably
after each dive. If possible, use lukewarm water to dissolve any salt crystals.
Salt deposits can also be dissolved using a slightly acidic vinegar/water bath. Be
sure to flush any holes or slots on the rear of the boot. Towel dry before stor-
ing, and transport your Data100 cool, dry, and protected.
WARNING: Never, under any circumstances, poke any object
through any slots or holes on the rear of the Data100. Doing so
may damage the depth sensor, possibly resulting in erroneous
depth and/or dive time remaining displays.
Fig. 46 - DataLink™
50
ANNUAL DEALER INSPECTIONS & FACTORY SERVICE
As with all Oceanic instrumentation, the Data100 should be inspected annually
by an Authorized Oceanic Dealer who will perform a factory prescribed function
check and inspection for damage or wear.
To keep the two year limited warranty in effect, this annual inspection must be
completed one year after purchase (± 30 days). Oceanic recommends that you
continue to have this inspection performed even after the warranty period has
expired to ensure your Data100 is working properly.
A convenient service record is provided on page 80 of this owner's guide. This
should be signed by the service technician after each annual inspection or
factory service has been completed. The cost of this service is not covered under
the terms of the two year limited warranty.
WARNING: If you are in doubt about the accuracy of your
Data100’s depth readings, DO NOT attempt to dive with it until it
has been inspected by an Authorized Oceanic Dealer.
The facility providing conducting the depth check must have a test gauge on the
pressure test chamber that is as accurate as the depth sensor in the Data100
(± 1% of full scale).
DATA100
51
WARNING: Never pressure test the Data100 in an air environ-
ment. Doing so may damage the depth sensor; possibly resulting
in erroneous depth or time readings.
It is possible to damage the Data100 depth sensor if it is not pressure tested
properly. The Data100 must be placed completely underwater when being
pressure tested to protect the depth sensor.
OBTAINING FACTORY SERVICE
If your local Authorized Oceanic Dealer does not have the special tools or facili-
ties to follow the procedures described above, have the dealer send your Data100
directly to Oceanic, or an Oceanic regional distribution center for service (Fig.
47).
NOTE: Previous dive log will be erased whenever your Data100
receives factory service. Copy all log information in your log
book.
To obtain service from the Oceanic factory:
• Remove the Data100 module from its boot (see instructions on page 53). Be
sure to remove all accessories and send only the module.
• Package the module carefully using a cushioning material.
• Include a legible note giving specific reason for return, your name, address,
Fig. 47 - Oceanic Service
OCEANIC CORPORATE H.Q., USA
San Leandro, California
Tel: 510-562-0500; Fax: 510-569-5404
OCEANIC HAWAII
Ewa Beach, Hawaii
Tel: 808-682-5488; Fax: 808-682-1068
OCEANIC EUROPE
Pomezia, Italy
Tel: 39-6-910-4148; Fax: 39-6-910-4163
OCEANIC SW, LTD
Devon, England
Tel: 44-884-84-0001; Fax: 44-884-84-1770
OCEANIC DIVING AUSTRALIA PTY LTD
Sorrento, Victoria, Australia
Tel: 61-59-84-4770; Fax: 61-59-84-4307
OCEANIC ASIA PACIFIC PTE LTD
Singapore
Tel: 65-779-3853; Fax: 65-779-3945
52
daytime phone number, module serial number, and copy of original sales
receipt.
• Send prepaid and insured to the nearest Oceanic facility.
• If you have any questions regarding Data100 service, call Oceanic’s Parts &
Service Department at (510) 562-0500.
• Allow two to four weeks for service, plus travel time to and from Oceanic
when estimating your down time.
BATTERY LIFE
The Data100's battery consumption rate varies throughout periods of operation,
which begin upon activation and continue for 24 hours after surfacing from a
dive. For this reason, the number of dives that you will obtain with a set of
batteries is subject to the number conducted during each activation period.
Other variables such as the climate and the type and age of batteries actually
used will also affect the number of dives possible.
Tests and calculations indicate that a set of lithium cells will maintain unit
operation for approximately 50 activation periods of 24 hours. Therefore, you
could expect to obtain from 50 dives (if only 1 dive is conducted each time the
unit is activated) to over 150 dives (if 3 dives are conducted each time the unit is
activated).
50 Activation Periods
Total
# Dives
To
Expect
50
100
150
'Average'
# Dives
Each
Period
1
2
3
DATA100
53
LOW BATTERY CONDITION
You will be alerted to a Low Battery condition by a flashing Battery icon located
above the dive mode icon near the top left of the display (Fig. 48). The Data100
will only activate if there is enough battery power to complete one full day of
diving. Also consider that remaining battery life can be suddenly shortened by a
change in ambient temperature.
Oceanic strongly advises that you replace all of the batteries and DO
NOT attempt to dive with the Data100 when the Battery icon remains
on display, and that you replace the batteries with new prior to any
multi day dive trip that will include a profile of repetitive dives, such
as multiple days on a live aboard vessel.
WARNING: Adjusted No Decompression Limits will be erased
when the batteries are replaced between repetitive dives.
Battery Removal
If the module is in a wrist boot, it will be necessary to peel the lips of the boot
downward off the module while applying pressure from underneath, working it
out slowly. If in a console, bend the rubber console boot back to expose the edge
of the module. If the console boot is flexible enough to permit, you may bend it
G
LO
DATA
100
FT
DATA
100
G
LO
(Surface Mode)
(Dive Mode)
Fig. 48 - Low Battery
54
back far enough to scoop the module out with your index finger. Otherwise, it
may be necessary to insert a blunt screwdriver until the tip rests just under-
neath the module. DO NOT pry the module from the console! Slowly increase
the pressure under the module by releasing the tension on the rubber boot. The
module will slide up the screwdriver and exit the console.
WARNING: The following procedure must be closely adhered to,
Damage due to improper battery replacement is not covered by
the Data100's limited 2 year warranty.
Examine the case back to find the battery hatch (Fig. 49a), and proceed as
follows to remove the batteries:
• Apply a coin (not a screwdriver) to the recessed slot of the battery hatch,
and turn the hatch out counterclockwise to remove it from the housing. The
battery compartment should only be opened in a dry and clean environment,
with extreme care taken to prevent the entrance of moisture or dust.
Inspect the o-ring for any signs of deterioration. If found, remove the o-ring
by pressing the sides with your fingertips to cause it to protrude slightly
from the groove of the battery hatch and discard. DO NOT use tools to
remove.
Closely check the threads of the battery hatch and the housing for any signs
of damage which might impair proper threading. If found, return your
Data100 to your Authorized Oceanic Dealer, and DO NOT attempt to use
until it has received factory service.
Fig. 49 - Battery Hatch
H
A
N
D
T
I
G
H
T
E
N
0
P
E
N
USE
COIN ONLY
a
DATA100
55
WARNING: DO NOT attempt to remove the outer case ring (Fig.
50a). Doing so may cause a dangerous malfunction, resulting in
possible injury or death. Indication of tampering with the ring
will void the warranty.
• Turn the unit over to drop out the two 3 volt lithium batteries. Discard,
regardless of age or amount of use.
• Closely check the metal contacts inside the battery compartment for any
signs of stress (bending or breakage), and for any signs of corrosion indicat-
ing entrance of moisture into the unit. If found, return your Data100 to an
Authorized Oceanic Dealer, and DO NOT attempt to use the unit until it
has received service.
Battery Installation
• Remove and check the battery hatch as described above.
• If necessary to replace the battery hatch o-ring, lightly lubricate it with
silicone grease and stretch it slightly to work it down over the slotted top of
the hatch, DO NOT roll it over the threads.
• Install two new 3 volt lithium batteries (Duracell
®
DL2032, Radio Shack
®
23-162, Maxell
®
CR2032, Panasonic
®
CR2032, or equivalent) into the battery
compartment with the positive (+) side facing up (out of the battery com-
partment), with one directly on top of the other (Fig. 51). Avoid touching
either the battery contacts or the flat surfaces of the batteries, as skin oil
Fig. 51 - Installing Batteries
(-)
(+)
Batteries
Battery
Hatch
(-)
(+)
Top
Btm
Fig. 50 - Outer Case Ring
H
A
N
D
T
I
G
H
T
E
N
0
P
E
N
USE
COIN ONLY
a
56
will impair correct contact.
• Lightly lubricate the battery hatch o-ring with silicon grease and install it
onto the battery hatch. DO NOT roll the o-ring over the threads of the
battery hatch. Instead, stretch it slightly to work it down over the slotted
end of the battery hatch and into the groove at the base of the threads.
NOTE: This o-ring must be a genuine Oceanic Part, purchased
from your Authorized Oceanic Dealer. Use of any other o-ring
will void the warranty.
• Carefully insert the battery hatch into the housing and turn slowly clock-
wise by hand to ensure correct threading. Turn until snug, then apply a
coin and tighten until secure, so the outer surface of the battery hatch is
flush with the outer surface of the housing.
Flooded Battery Compartment
If water or corrosion is found in the battery compartment, it is best to have your
Data100 inspected and cleaned by an Authorized Oceanic Dealer. If you are
attempting a repair in the field, proceed as follows:
• Inspect the lens and case closely to ensure they are not cracked or damaged.
• Inspect the button covering to ensure it does not have cuts or holes.
DATA100
57
• Remove the batteries, discard and DO NOT reuse.
• Check the battery hatch o-ring for damage (nicks, cuts, divots, etc.). If
found, discard and replace with new.
• Before replacing the o-ring and batteries, flush the battery hatch and
compartment with a solution of 50% white vinegar and 50% water. Rinse
with fresh water, and dab with tissue paper until completely dry.
• Install the o-ring and batteries as previously decribed.
Inspection
• Activate the unit and watch carefully as it performs a full diagnostic and
battery check and enters Surface Mode, followed by the PDPS.
• If a Low Battery condition is indicated, return the unit to your Authorized
Oceanic Dealer for a complete inspection before attempting to use it.
• Observe the LCD display to ensure it is consistently clear and sharp in
contrast throughout the screen. If there are any portions of the display
missing or appearing dim, return the unit to your Authorized Oceanic
Dealer.
Returning the Module To Its Boot
• If previously removed, replace the rubber spacer into the boot.
• Orient the module over the opening in the boot, and dip the bottom edge
into the opening while pressing the top edge with the palm of your hand.
Stop pressing when the bottom edge of the module has just entered the
58
rubber boot.
• Correct the alignment of the module as needed so that it is straight.
• Press the module completely into place with your thumbs, watching the
alignment, until it snaps into place.
REFERENCE
60
MORE ABOUT FLYING AFTER DIVING
In 1990 the Undersea and Hyperbaric Medical Society (UHMS) published a set of guidelines aimed at minimiz-
ing the possibility of decompression sickness due to flying too soon after diving. The UHMS suggests* divers
using standard air cylinders and exhibiting no symptoms of decompression sickness wait 24 hours after their
last dive to fly in aircraft with cabin pressures up to 8,000 feet. (2,440 meters).
The two exceptions to this recommendation are:
• If a diver had less than 2 hours total accumulated dive time in the last 48
hours, then a 12 hour surface interval before flying is recommended.
• Following any dive that required a decompression stop, flying should be
delayed for at least 24 hours, and if possible, for 48 hours.
Since the 1990 UHMS guidelines were introduced, data from the Diver’s Alert Network (DAN) was introduced
that resulted in DAN’s position** that “A minimum surface interval of only 12 hours would be required in
order to be reasonably assured a diver will remain symptom free upon ascent to altitude in a commercial jet
airliner (altitude up to 8,000 ft/2440 m). Divers who plan to make daily, multiple dives for several days, or make
dives that require decompression stops, should take special precautions and wait for an extended surface inter-
val beyond 12 hours before flight”.
** excerpted from “DAN’s Current Position on Recreational Flying After Diving”
* excerpted from “The UHMS Flying After Diving Workshop”
DATA100
61
Both the UHMS and DAN agree that “There can never be a flying after diving rule that is guaranteed to
prevent decompression sickness completely. Rather, there can be a guideline that represents the best estimate
for a conservative . . . surface interval for the vast majority of divers. There will always be an occasional diver
whose physiological makeup or special diving circumstances will result in the bends”.
MORE ABOUT ALTITUDE DIVING
WARNING: Diving at high altitude requires special knowledge of the variations imposed
upon divers, their activities, and their equipment by the decrease in atmospheric pressures.
Oceanic recommends completion of a specialized Altitude training course by a recognized
training agency prior to diving in high altitude lakes or rivers.
Atmospheric pressure decreases as altitude increases above sea level. Weather systems and ambient tempera-
ture also affect barometric pressures. Consequently, depth reading instruments that do not compensate for the
decrease in pressure indicate depth readings shallower than the depth they are actually at.
The Data100 automatically compensates for decreased ambient pressure when activated at high altitudes up to
14,000 feet (4,267 meters). Its program contains a high altitude algorithm that reduces no decompression limits
to add a larger zone of caution.
Whenever the Data100 is manually activated at altitudes higher than 2,000 feet (610 meters), it will automati-
cally recalibrate itself to measure depth in feet of fresh water rather than feet of sea water. When returning to
lower altitudes, diving should not be conducted until the Data100 automatically clears of any residual nitrogen
and resets to operate at the new altitude.
62
WARNING: Altitude compensation provided by the Data100 takes place when the unit is
activated. DO NOT dive at any different altitude until the Data100 shuts off and will
recalibrate when reactivated at the new altitude.
MULTIPLE TISSUE TRACKING
The Data100 tracks twelve tissue compartments with half times ranging from 5 to 480 minutes. The TLBG
always displays the controlling compartment that is the only one important at that time. Think of the TLBG as
twelve separate transparent displays laid on top of one another (Fig. 52, page 63). The tissue compartment that
has filled up fastest is the only one the viewer can see from the top.
At any particular point, one tissue compartment may be absorbing nitrogen, while another that was previously
higher may be 'off gassing'. Figure 53, page 63, illustrates the point at which one compartment “hands over”
control to another at a different depth. This feature of the Decompression Model is the basis of multilevel
diving, one of the most important contributions the Data100 offers you. Take advantage of this feature and
make all of your dives multilevel dives.
DATA100
63
Fig. 52 - Tissue
Compartment Control
Fig. 53 - Tissue Compartment
Control Hand Over
FT
FT
FT
FT
FT
FT
FT
DATA
100
DATA
100
DATA
100
DATA
100
DATA
100
DATA
100
DATA
100
G
LO
G
LO
G
LO
G
LO
G
LO
G
LO
G
LO
20
40
80
120
160
TISSUE
HALF–TIME
15
14
13
12
11
NO. OF
SEGMENTS
Display Seen
by the Diver
FT
FT
FT
DATA
100
DATA
100
DATA
100
G
LO
G
LO
G
LO
TISSUE
HALF–TIME
40
20
NO. OF
SEGMENTS
15
15
v
15
v
Display Seen
by the Diver
64
NO DECOMPRESSION LIMITS
Note how the No Decompression Limits for the Data100 are contrasted with the U.S. Navy limits (Fig. 54, page
65). For most depths, the Data100 provides somewhat less no decompression times than the U.S. Navy Tables.
However, while the no decompression limits may be less, you will receive greatly increased allowable bottom
times as you take advantage of the multilevel dive capabilities offered by the Data100. Notice also that the
Data100's PDPS does not scroll past 160 feet (48 meters).
MAXIMUM NO DECOMPRESSION DIVE PROFILE
How deep you can go, and how long you can stay, with the Data100 depends on many factors including air
supply, air consumption, previous dives made, etc. Figure 55, page 65, shows the maximum No Decompression
dive profile that is possible with the Data100 on a first dive. This sample test assumes that no previous dives
were made, and that the diver had an unlimited air supply.
The Data100 was taken to a simulated test depth where the No Decompression Dive Time Remaining reached
zero minutes. It was then taken to a shallower depth that gave it one more minute of No Decompression Time.
When the No Decompression Time reached zero at that new depth, it was taken to the next shallower depth.
This continued until 33 feet, where No Decompression Time available far exceeded the possible Air Time re-
maining, even with the largest scuba cylinder. A safety stop was added as a precaution to round out this simu-
lated multilevel dive.
DATA100
65
100 ft.
120 ft.
140 ft.
80 ft.
60 ft.
40 ft.
20 ft.
0 ft.
160 ft.
10
MINUTES
20 30 40 500
180 ft.
200 ft.
No-Decompression
130 ft. Sport
Diving Limit
Safety stops are strongly recommended for all dives
Fig. 55 - Maximum First Dive No Decompression ProfileFig. 54 - No Decompression Limits
Data100 U.S.
Depth NDL-mins. Navy
feet (meters) Eng (Metric) NDL -mins.
30 (9) 280 (283) - - -
35 - - - - - - 310
40 (12) 137 (144) 200
50 (15) 80 (84) 100
60 (18) 57 (58) 60
70 (21) 40 (41) 50
80 (24) 30 (31) 40
90 (27) 24 (26) 30
100 (30) 19 (20) 25
110 (33) 16 (16) 20
120 (36) 13 (13) 15
130 (39) 10 (11) 10
140 (42) 9 (9) 10
150 (45) 8 (8) 5
160 (48) 7 (7) 5
170 (51) * * 5
180 (54) * * 5
190 (57) * * 5
WARNING
The Data100 may allow
dive profiles deeper or
longer than shown for
emergency purposes only.
Oceanic Does Not
Advocate decompres-
sion diving or diving
deeper than 130 feet
(39 meters). Do Not
Exceed the sport
diving limit and make
safety stops on all
dives.
* The Data100 PDPS will not scroll past 160
feet (48 meters), or when projected bottom /
descent time is less than one minute.
66
100 ft.
120 ft.
140 ft.
80 ft.
60 ft.
40 ft.
20 ft.
0 ft.
160 ft.
10
MINUTES
20 30 40 500
180 ft.
200 ft.
LEGEND:
Decompression
130 ft. Sport
Diving Limit
No-decom limit
Delayed violation
Immediate violation
Decompression
Violation
WARNING
This chart shows
violation limits only. A
dive made to the limits
shown may lose the
assistance of the
Data100 getting back to
the surface.
Fig. 56 - First Dive Decompression Violation Limits
Responsible
DECOMPRESSION
RULES
ARE NOT MEANT
TO BE BENT
DATA100
67
DECOMPRESSION VIOLATION LIMITS
As described earlier in the Handling the Extremes section, the Data100 has two permanent violation modes,
Delayed and Immediate. If either mode is entered while underwater, your Data100 will loose some functions.
Figure 56, page 66, provides a graph indicating where permanent violation modes occur on a sample extreme
first dive profile between 160 and 190 feet (49 and 58 meters). The graph is only an example and not a
suggestion for planning a dive.
It is possible to exceed the limits shown in Fig. 56 at much shallower depths, especially on repetitive dives.
Watch the Data100 closely to avoid entering decompression, or a violation mode.
WARNING: Oceanic recommends that you follow the rules of responsible diving on every
dive and not share or swap your dive computer with any other diver. Oceanic also strongly
recommends against decompression diving, or diving below 130 feet (39 meters).
REPETITIVE DECOMPRESSION DIVING
The decompression model used by the Data100 is based on the no decompression multilevel repetitive dive
schedules successfully tested by Dr. Ray Rogers and Dr. Michael Powell. These tests did not include repetitive
dives deeper than 90 feet (27 meters), or Decompression dives. Due to the present unavailability of statistical
data, Data100 decompression predictions are based on U.S. Navy theory. Therefore, pay special attention to the
following warnings:
68
WARNING: Oceanic advocates responsible diving practices and does not recommend decom-
pression diving, or diving below 130 feet (39 meters). The decompression capabilities of the
Data100 are intended strictly for emergency use. Decompression diving is inherently hazard-
ous and greatly increases your risk of decompression sickness - even when performed accord-
ing to the computer's calculations. In the event that you must make an emergency decom-
pression dive, you must not make another dive for at least 24 hours.
WARNING: Using the Data100, just as using the U.S. Navy (or other) No Decompression
Tables, is no guarantee of avoiding decompression sickness, i.e. “the bends.”
CONCLUSION
The Data100 is only an informational tool whose entire worth depends on using it correctly. Learn how to use
it and use it wisely. Have fun with the Data100, and thank you for being a responsible diver!
R
E
S
P
O
N
S
I
B
L
E
D
I
V
E
R
DATA100
69
RESPONSIBLE COMPUTER DIVING
Since the advent of dive computers, it is a common mistake to assume that the old traditional rules of diving no
longer apply, but the truth is just the opposite. Before you dive using your Data100, keep these basic rules in
mind:
• Plan each dive, and dive your plan - Your computer was not designed to make decisions for you, only to
provide you with the information you need to make responsible decisions for yourself. This begins with a dive
plan that will help you avoid a low air or decompression situation.
• Do not plan any dive that exceeds your training or experience level.
• Inspect your computer before every dive - If it shows any signs of damage or abnormal function, DO
NOT dive with it until it has received factory service.
• Make your deepest dive first - When making repetitive dives, it is imperative to ensure that each consecu-
tive dive is shallower than the one before. This will allow your body's slower tissues to continue outgassing
nitrogen.
• Make the deepest part of your dive first, and gradually work your way to the surface using a
“staircase” profile - The ability to perform multilevel diving is one of the most important contributions of a
dive computer, and you should take advantage of it. It will increase your bottom time and at the same time
decrease your risk of decompression sickness.
• Ascend slowly by following an ascent line whenever possible, or by ascending diagonally toward
the surface - Watch the Variable Ascent Rate Indicator while you ascend, and keep your ascent as slow as
possible.
• Make a safety stop at 15-20 feet (5-6.5 meters) at the end of every dive - A safety stop of as little as 5
minutes has been shown to have a dramatic effect on the bubble formation in divers. It's important. Don't
forget it.
70
Violation Modes (conditional, delayed, & immediate)
Gauge Mode
Dive Log Mode
Time to Fly Mode
Numeric Displays: Range Resolution
Dive # 0 - 9 1
Depth 0 - 330 ft. (99.5 m) 1 ft. (.5 m)
Maximum Depth 330 ft. (99.5 m) 1 ft. (.5 m)
No Decompression Time 0 - 9 hrs. 59 mins. 1 minute
Decompression Time 0 - 9 hrs. 59 mins. 1 minute
Bottom Time 0 - 9 hrs. 59 mins. 1 minute
Surface Time 0 - 11 hrs. 59 mins. 1 minute
Dive Log Surface Interval 0 - 11 hrs. 59 mins. 1 minute
Time to Fly 23 hrs. 59 mins. - 0* 1 minute
(* starting 10 sec. after the dive)
Graphic Diver Interface:
Tissue Loading Bar Graph (TLBG) Segments
No Decompression (green) 16
Caution Zone (yellow) 4
Decompression (red) 20
Variable Ascent Rate Indicator (VARI)
segments feet/min. meters/min.
Red zone (flashing) 5 61+ 18.5 +
Yellow zone 4 51 - 60 15.5 - 18
3 41 - 50 12.5 - 15
2 31 - 40 9.5 - 12
Green zone 1 21 - 30 6.5 - 9
0 0 - 20 0 - 6
SPECIFICATIONS
NO DECOMPRESSION MODEL
Basis:
Modified Haldanean Algorithm
12 tissue compartments
Data Base:
Diving Science and Technology (DSAT) - Rogers/Powell
Performance:
Tissue compartment half times (in mins.) Spencer’s “M” values
5, 10, 20, 40, 80, 120, 160, 200, 240, 320, 400, 480
Reciprocal subsurface elimination
60 minute surface credit control for compartments faster than 60
minutes
Tissue compartments tracked up to 24 hours after last dive
Decompression Capabilities:
Decompression stop ceilings at 10, 20, 30, 40, 50, & 60 feet (3, 6, 9, 12,
15, & 18 meters)
Altitude Algorithm:
Based on National Oceanic & Atmospheric Administration (NOAA)
tables
OPERATIONAL MODES & DISPLAY RANGE/RESOLUTION
Modes:
Activation/Diagnostic Mode
Surface Mode
Pre Dive Planning Sequence Mode
No Decompression Dive Mode
Decompression Dive Mode
Alternate Decompression Dive Mode
DATA100
71
Power:
• Batteries Two 3 volt lithium cells, CR2032 or equivalent
• Life expectancy 50 - 24 hour periods of activation (approximate)
(variable number of dives)
• Shelf life See battery manufacturer's specs. (2 to 5 yrs.)
• Low Battery condition Replace both prior to diving.
Activation:
Manual activation is required (water immersion does not activate unit).
Cannot be activated deeper than 4 feet (1.5 meters)
Cannot be activated at elevations higher than 14,000 feet (4,267 meters)
Needed before the first dive.
Automatically shuts off if no dive is made within 120 minutes after initial
activation.
Cannot be shut off manually (only if the batteries are removed).
(Nitrogen calculation for repetitive dives would be lost).
External Access Mode:
Not needed by the user, used by the factory for diagnostics / calibration.
Mode is activated during the Surface or PDPS Mode when the activation
button is held in for more than 8 seconds.
• Activation when a Low Battery condition is initially indicated will cause
the flashing Low Battery icon to disappear implying satisfactory voltage.
(Batteries must be replaced prior to diving if Low Battery is displayed.)
• The letters 'EA' appear as the lower left display and a countdown appears
as the lower right display. After counting down from 6 to 0, the Data100
reverts back to the Surface or PDPS Mode.
Special Displays:
Occurrence
Diagnostic Display Activation
Out of Range 330+ feet (99.5+ meters)
Gauge Mode Countdown Timer 12 - 24 hours after violation
External Calibration Access (EA) If activation button is held for 8
sec during Surface or PDPS mode.
OPERATIONAL PERFORMANCE
Function: Accuracy:
Depth ± 1% of full scale
Timers 1 second per day
Dive Counter:
Displays Dives #1 - #9 then recycles to #1 (and continues #1 - #9)
Resets to Dive #1, upon diving (after a 12 hour surface time)
Cycles to next Dive # at 5 feet (1.5 meters) depth after a 10 minute surface
interval
Dive Log Mode:
Stores latest (most recent) 12 dives in memory for viewing
After 12 dives, adds latest dive to memory, deletes oldest dive
Altitude:
• Altitude range 0 - 14,000 feet (4,267 meters) above sea level
• Modes Full computer functions up to 14,000 feet (4,267 meters)
• Activation not possible higher than 14,000 feet (4,267 meters).
• Recalibration of depth readings from 'feet of sea water' to 'feet of fresh water'
higher than 2,000 feet (610 meters) elevation.
SPECIFICATIONS (cont'd)
72
100 ft.
120 ft.
140 ft.
80 ft.
60 ft.
40 ft.
20 ft.
0 ft.
160 ft.
10
MINUTES
20 30 40 500
180 ft.
200 ft.
DiveLog Instructions
DIVELOG INSTRUCTIONS:
Make photocopies of the next page and put them
in a small binder to make a log book. Then...
1. Plot PDPS as dots connected by lines (unless
1st dive in 24 hours is already shown in grey).
2. Sketch dive plan with dotted line.
3. Draw the actual dive profile using solid line.
4. Fill-in Dive Log readings on the Data100
display (as shown).
TODAY CUMULATIVE
Dive No.
Dive Site
Location
Date
Visibility
Purpose
Max Depth
Bottom Time
Rate Dive Site
Buddy
Buddy Cert. #
Your Buddy’s #
Your Buddy’s Name
Dive Site Name
284
City, State or Country
Today’s Date
From Dive Log Mode
Why you’re there
Vis in feet or meters
From Dive Log Mode
Your Personal Rating Scale
DATA100
73
100 ft.
120 ft.
140 ft.
80 ft.
60 ft.
40 ft.
20 ft.
0 ft.
160 ft.
10
MINUTES
20 30 40 500
180 ft.
200 ft.
PROFILE:
PDPS
PLAN
ACTUAL
TODAY CUMULATIVE
Dive No.
Dive Site
Location
Date
Visibility
Purpose
Max Depth
Bottom Time
Rate Dive Site
Buddy
Buddy Cert. #
DiveLog
74
GLOSSARY
The following are diving terms that you should become familiar with. Many definitions given below apply
specifically to the Data100.
Algorithm - A step-by-step mathematical formula designed to accomplish a particular result (i.e. Dive Time
Remaining in the Data100)
Altitude Dive - A dive made at an elevation above sea level where a different set of no decompression tables is
used (higher than 3,000+ feet/915 meters with the Data100)
Ascent Rate - The speed that a diver moves vertically toward the surface
Boot - A protective rubber covering that surrounds an instrument module
Bottom Time - The total time spent underwater during a dive between 5 feet (1.5 meters) on initial descent to
3 feet (1 meter) on final ascent
C.Z. - Abbreviation for Caution Zone
Caution Zone - The yellow section of the Tissue Loading Bar Graph that gives a visual warning of a diver’s
proximity to decompression
Ceiling - See decompression ceiling
Clean Dive - A dive preceded by 24 hours of no diving activity
Compartment - A term applied to the hypothetical modeling of nitrogen absorption in the tissues (more
accurate than the term 'tissue' because dive computer models have no direct relation to human tissues)
DCS - Abbreviation for decompression sickness, i.e. 'the bends'
DECO - Abbreviation for Decompression
Decompression Ceiling - The shallowest depth a diver may reach upon ascent without risking decompression
sickness (also see TLBG)
DATA100
75
GLOSSARY (cont'd)
Decompression Stop - The depth(s) at which a diver must pause during ascent to allow absorbed nitrogen to
escape naturally from the tissues
Depth Sensor - An electromechanical device that converts water pressure into an electrical signal, that is
converted to a visual depth display
Diagnostic Mode - The first display seen on dive computers after initial activation during which time a self–
check for internal faults is performed
Display - A visual readout of information
Dive Log Mode - A computer display of previous dive information
Dive Time Remaining - A display of the time before a diver must surface based on no decompression status or
tank pressure
Graphic Diver Interface
- A feature of Oceanic dive computers. Easily understandable color coded bar
graphs that indicate diver status;
green = normal, yellow = caution, red = danger.
Icon - a small pictorial representation of an operational mode
LCD - Abbreviation for liquid crystal display, an easily viewed low voltage display found on dive computers
Maximum Depth - The deepest depth attained during a dive
Mode - A specific set of functions in a dive computer
Modular Dive Computer - A dive computer that is not connected to the diver’s air supply
Multiplexing Display - A display on an instrument that alternates to show different information relating to
separate events
Multilevel Dive - A type of dive profile where the diver spends various times at different depths (opposite of a
Square Wave dive profile)
76
GLOSSARY (cont'd)
NO DECO - Abbreviation for No Decompression
NO DECO Time Remaining - The amount of dive time remaining based on no decompression status
No Decompression - Any part of a dive where the diver can surface without requiring a decompression stop
Out of Range - The point at which a dive computer can no longer supply correct dive information
PDPS - Abbreviation for Pre Dive Planning Sequence
Pre Dive Planning Sequence
- A sequence of displays indicating available dive times at 10 foot (3 meter)
intervals from 30 to 160 feet (9 to 48 meters) used when dive planning
Repetitive Dive - Any dive that takes place within 12 hours of a previous dive
Safety Stop - A depth at which a diver may choose, but is not required, to pause during ascent to allow ab-
sorbed nitrogen to escape naturally from the tissues
Square Wave Dive - A type of dive profile where the entire dive is spent at one depth between descent and
ascent
Tissue - See Compartment
Tissue Compartment - See Compartment
Tissue Loading Bar Graph
- A graphic display of simulated nitrogen absorption alongside a color coded
indicator (part of the Graphic Diver Interface)
TLBG - Abbreviation for Tissue Loading Bar Graph
Transducer - An electromechanical device in a dive computer that acts as a depth or pressure sensor
VARI - Abbreviation for Variable Ascent Rate Indicator
Variable Ascent Rate Indicator
- A display that shows ascent rate as a bar graph alongside a color coded
indicator (part of the Graphic Diver Interface)
DATA100
77
NOTES
78
INDEX
A
Accuracy 18, 50, 71
Activation 4, 10, 18, 61, 71
Algorithm vi, 23, 67, 70
Altitude Diving 10, 61, 70, 71
Annual Inspection v, 50
Ascending 17, 27
Ascent Rates 17, 28
B
Backlight 4, 32
Battery Hatch 54
Battery Installation 55
Battery Life 52, 71
Battery Removal 53
Battery Types 55, 71
Battery Voltage 19, 31, 53
Boot 48, 53, 57
C
Calibration 10, 61
Care 48
Caution Zone 6, 36
Ceiling 7, 26, 34, 39, 43, 70
Cleaning 48
Conditional Violation Mode 39
Control Button 4, 19, 32
Customer Service 51
D
DAN 9, 60
Data Base 23, 67, 70
DataLink 49
Decompression Dives 34
Decompression Mode 7, 24, 38
Decompression Model vi, 23, 70
Decompression Penalty 40
Decompression Sickness
vi, 24, 36, 60, 68
Delayed Violation Mode 40
Depth Display 14
Depth sensor 49, 50
Diagnostic Mode 8, 18
Displays 12, 14
Display Range 70
Display Resolution 70
Dive Number 4, 8, 20, 29, 71
Dive Log Mode 28, 71
Dive Time Remaining 23
Diver's Alert Network 9, 60
DSAT 24, 70
E
Emergency Decompression 34
External Access Mode 19, 31, 71
F
Factory Service 51
Flooded Battery Compartment 56
Flying After Diving 9, 30, 60
G
Gauge Mode 27, 43
Glossary 74
Graphic Diver Interface 5, 16, 70
I
Icons 18
Immediate Violation Mode 42
Informational Displays 14
Introduction 2
Inspection v, 50, 57
L
LCD Display Legend 11
DATA100
79
Lens Protector 48
Log 28, 71
Loss of Display 44
Low Battery Condition 19, 31, 53, 71
Low Light Situations 32
M
Maintenance 47
Max Operating Depth 37, 42
Max Dive Profile 64
Mode Identification 18
Multiple Tissue Tracking 62
N
Navy Tables 54, 64
NOAA 10, 70
No Deco Dive Mode 5, 22
No Deco Limits 22, 36, 64
O
Oceanglo 4, 32
Oceanic DiveLog 73
Oceanic Facilities 51
Operational Displays 12, 70
Operational Modes 18, 70
Operating Temperature 45
Out Of Range 38, 42, 71
P
Permanent Violation Mode 44
Pre Dive Planning Sequence 4, 21
Pressure Testing 51
R
Regulator Attachment 4, 49
Repetitve Deco Diving 67
S
Safety Stop 6, 27
Service 50
Service Record 50, 80
Sharing Computers 45
Specifications 70
Stop Depth 7, 26, 39, 43, 70
Surface Mode 4, 8, 20
T
Tampering 55
Temperature 45
Testing 51
Time Display 15
Time to Fly Mode 9, 30
Tissue Compartment 16, 23, 62, 70
Tissue Tracking 62
Tissue Half-times 70
Tissue Loading Bar Graph
6, 16, 27, 70
Training iii, iv, 34, 37, 61
Transition Period 20
U
UHMS 60
U.S. Navy Tables 54, 64
V
Variable Ascent Rate Indicator
6, 17, 28, 70
Violation Limits 67
Violation Modes 27, 39
W
Warranty v
80
DATA100 SERVICE RECORD
Serial No.
Date of Purchase
Purchased from
To be filled in below by Authorized Dealer:
Date Service Performed Dealer / Technician
R
E
S
P
O
N
S
I
B
L
E
D
I
V
E
R
THE CODE OF THE
RESPONSIBLE DIVER
AS A RESPONSIBLE DIVER
I UNDERSTAND AND ASSUME
THE RISKS I MAY ENCOUNTER
WHILE DIVING.
RESPONSIBLE DIVING BEGINS WITH:
• DIVING WITHIN THE LIMITS OF MY
ABILITY AND TRAINING
• EVALUATING THE CONDITIONS
BEFORE EVERY DIVE AND MAKING
SURE THEY FIT MY PERSONAL
CAPABILITIES
• BEING FAMILIAR WITH AND
CHECKING MY EQUIPMENT
BEFORE AND DURING EVERY DIVE
• KNOWING MY BUDDY'S ABILITY
LEVEL AS WELL AS MY OWN
• ACCEPTING THE RESPONSIBILITY
FOR MY OWN SAFETY ON EVERY
DIVE
© 2002 Design 1996 Doc. No. 12-1966,R5 (2/1/00)
OCEANIC USA
2002 Davis Street
San Leandro, Ca. 94577
USA
Phone: 510/562-0500
Fax: 510/569-5404
Web: http://www.oceanicusa.com
82

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