Bedienungsanleitung Oceanic OCS (Seite 25 von 62) (Englisch)

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OCS OPERATING MANUAL

WET ACTIVATION

The OCS is conﬁgured with contacts that will automatically activate Dive Mode when the space between the contacts is bridged

by a conductive material (immersed in water) and it senses a Depth of 5 FT (1.5 M) for 1 second.

The contacts are the metal pins of the PC Interface Data Port and the stems of the buttons.

When Wet Activation is set Off, the OCS will not enter Dive Mode while in Watch Mode unless a dive has already been con-

ducted and it is a repetitive dive.

BACKLIGHT

Press L (Light) button to activate.

• The Backlight will be On for L depression time plus the Duration time set (0, 5, 10, 30, or 60 sec).

• Press L while the light is On to reset the timer and keep it On for the full Duration.

• Shuts Off if L is depressed for more than 10 sec.

> Extensive use of the Backlight reduces Battery life.

> The Backlight does not operate during a Low Battery condition (< 2.75 v), or when the Oceanlog PC Interface cable is

connected to the OCS.

BAR GRAPHS

The OCS features 2 bar graphs, one on each side of the LCD.

> The one on the left is dual function. It represents either Nitrogen loading or Oxygen accumulation. The icons NI and O2

identify which is displayed at that time.

> Throughout this manual, it is referred to as the NIBG (or TLBG = Tissue Loading Bar Graph) or the O2BG.

> Regardless of which parameter the Bar Graph is representing at the time, nitrogen and oxygen calculations will continue

to be performed in the background.

> The one on the right represents ascent rate. It is referred to as the VARI (= Variable Ascent Rate Indicator).

TLBG

The TLBG represents your relative No Decompression (Fig. 57a) or Decompression status (Fig. 58a). The lower 4 segments

represent No Deco status and the ﬁfth at the top indicates a Deco condition. As your Depth and Elapsed Dive Time increase, seg-

ments add; and as you ascend segments recede, indicating that additional no deco time is available.

The OCS monitors 12 different nitrogen compartments simultaneously and the TLBG displays the one that is in control of your dive

at any given time.

O2BG

When operating in NORM Nitrox mode, the O2BG (Fig. 59a) will be displayed on an Alternate screen. It represents oxygen

exposure, either oxygen accumulated during a dive or over a period of 24 hours.

As your oxygen exposure increases, segments will add to the O2BG, and as it decreases, they will begin to recede, indicating

that additional exposure is allowed for that dive and 24 hour period.

The OCS will store O2 calculations for up to 10 dives conducted during a 24 hour period. If the limit for O2 is reached (100%

= 300 OTU), all 5 segments of the O2BG will be displayed on the Main dive screen in place of the TLBG (Fig. 60a).

After surfacing, Plan Mode will not be available until the O2BG recedes into the normal zone (4 segments).

VARI

The VARI (Fig. 61a) provides a visual representation of ascent speed (i.e., an ascent speedometer).

The segments represent two sets of speeds which change at a reference depth of 60 FT (18 M). Refer to the chart.

When ascent is too fast, all segments will be displayed ﬂashing (Fig. 62) until ascent is slowed.

WARNING: At depths greater than 60 FT (18 M), ascent rates should not exceed 60 FPM (18 MPM).

At depths of 60 FT (18 M) and shallower, ascent rates should not exceed 30 FPM (9 MPM).

Fig. 57 - NO DECO

Fig. 58 - DECO

Fig. 59 - NO DECO ALT

Fig. 60 - DIVE MAIN

(High O2)

Fig. 61 - GAUG DIVE

Fig. 62 - DIVE MAIN

(Ascent Too Fast)



Ascent Rate

Segments FPM MPM

0 0 - 20 0 - 6

1 21 - 30 6.1 - 9

2 31 - 40 9.1 - 12

3 41 - 50 12.1 - 15

4 51 - 60 15.1 - 18

5 60 + 18 +



Ascent Rate

Segments FPM MPM

0 0 - 10 0 - 3

1 11 - 15 3.1 - 4.5

2 16 - 20 4.6 - 6

3 21 - 25 6.1 - 7.5

4 26 - 30 7.6 - 9

5 30 + 9 +

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