Operation Guide 5117
4
T
1.D to select an alarm.
2.A to toggle it on and off.
• The current on/off status of an alarm (
, ,
, or ) is indicated by “ ” ”
(OFF) on its Alarm Mode screen.
• In all modes, the alarm on indicator is shown for an
alarm that is currently turned on.
• The alarm on indicator flashes while the alarm is
sounding.
• The snooze alarm indicator flashes while the snooze
alarm is sounding and during the 5-minute intervals
between alarms.
Alarm on
indicator
Snooze alarm indicator
ON
T
1.D to select the Hourly Time
Signal (
).
2.A to toggle it on and off.
• The Hourly Time Signal on indicator is sho
display in all modes while this function is turned on.
Hourly time signal
on indicator
Illumination
An LED (light-emitting diode) illuminates the face of the
watch for easy reading in the dark.
switch turns on illumination automatically when you angle
the watch towards your f
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) f
• See “Illumination Precautions”
information about using illumination.
T
In any mode (except when a setting screen is on the
display), press B to turn on the illumination for about one
second.
• The abov
the current auto light switch setting.
Auto light switch
on indicator
About the Auto Light Switch
T
your wrist as described below in any mode.
Note that this watch features a
only when availab
under bright light.
• The auto light switch is alw
one of the following conditions e
-While an alarm is sounding
-While a signal receive operation is in prog
Moving the watch to a position that is parallel to the g
you more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of y
Par
ground
More than
40°
Warning!
• Always make sure y
display of the watch using the auto light s
running or engaged in any other activity that can result in accident or injury
Also take care that sudden illumination b
startle or distract others around y
• When you are wearing the watch,
off before riding a bicyc
vehicle.
distraction, whic
T
In the B for about three seconds to toggle the auto
light switch on (auto light s
indicator not display
• The auto light switch on indicator is on the displa
switch is turned on.
Po
This watch is equipped with a solar cell and a special rechargeable battery (secondary
battery) that is charged by the electrical power produced by the solar cell.
illustration shown below sho
Example: Orient the watch so its f
pointing at a light source.
• The illustration shows ho
a watch with a resin band.
• Note that charging efficiency drops
when any part of the solar cell is
block
• Y
outside of your slee
possible
significantly if the face is co
partially
Solar cell
Important!
• Storing the watch f
such a wa
power to run down.
possible.
• This watch uses a special rechargeab
cell, so regular battery replacement is not required. Ho
rechargeable battery may lose its ability to achie
problems getting the special rechargeab
or CASIO distributor about having it replaced.
• Ne
type of battery can damage the watch.
• The current time and all other settings return to their initial factory defaults whene
battery power drops to LevC ) and when you hav
• T
to bright light when storing it for long periods.
battery from going dead.
Battery P
(Charge Soon Aler t)
l
l
l
l
l
l
l
l
l
l
l
l
l
l
Battery Power Indicator and P
The battery power indicator indicates you the current status of the rechargeab
battery’s power
Level
1
(H)
2
(M)
3
(L)
4
(C)
5
(C)
Function Status
All functions enabled.
All functions enabled.
Auto and man
illumination, and beeper
disabled.
Except for timek
functions and display
indicators disabled.
All functions disabled.
Battery Power
indicator
• The flashing indicator at LevL ) tells you that battery power is v
and that exposure to bright light for charging is required as soon as possib
• At Level 5 ( C), all functions are disab
defaults.M) after fC ), reconfigure
the current time, date, and other settings.
• Display indicators reappear as soon as the battery is charged from Level 5 ( C) to
Level 2 (M).
• The watch’s Home City code setting will change automatically to TY (T
whenever the battery drops to LeC ).
watch is configured to receive the time calibr
the watch in North Amer
City code setting to match your location wheneC).
• Leaving the watch exposed to direct sunlight or some other v
can cause the battery power indicator to show a reading temporarily that is higher
than the actual battery level.
minutes.
• Overuse of display illumination or the beeper can cause
the R (Recover) indicator to appear in the upper displa
which indicates that the watch is in the battery power
recovery mode.
countdown timer alarm, time signals, and all hand
operations are disabled in the po
The watch continues to k
timekeeping and function will resume as soon as battery
power recov
when the R indicator disappears.
• If R (recover) appears frequently
remaining battery power is low
light for some time to allow it to charge
Power recovery
mode indicator
Charging Precautions
Cer
the watch in the areas described below whene
Also note that allowing the watch to become v
display to b
the watch returns to a lower temperature
W
Leaving the watch in bright light to c
to become quite hot.
The watch can become particularly hot when exposed to the f
conditions for long periods.
• On the dashboard of a car parked in direct sunlight
• T
• Under direct sunlight
Charging Guide
After a full charge, timekeeping remains enab
• The follo
each day in order to generate enough po
• For details about the battery operating time and daily operating conditions, see the
“P
• Stable operation is promoted b
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Sunlight
Daylight
Indoor Fluorescent Lighting (500 lux)
Appro
Exposure Time
8 minutes
30 minutes
48 minutes
8 hours
