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E
A
4. While a setting is flashing, use
(+) or
•
To set an alarm that does not include a day of the week (daily alarm), set
E
A
for the day of the week. Press
or
until the
and
) while the day of the week setting is flashing.
SUN
SAT
•
When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (A indicator) or p.m. (P indicator).
B
5. Press
to exit the setting screen.
Alarm Operation
The alarm sounds at the preset time for about 10 seconds.
•
To stop the alarm tone after it starts to sound, press any button.
•
The alarm and the hourly time signal operations are performed in all modes except
for the Timekeeping Mode setting screen.
To test the alarm
E
While in the Alarm Mode, hold down
to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use
Alarm on indicator
the Hourly Time Signal.
D
2. Press
to toggle it on and off.
•
Turning on an Alarm (
alarm on indicator on its Alarm Mode screen.
•
In all modes, the alarm on indicator is shown for any
alarm that is currently turned on.
•
The Hourly Time Signal on indicator is shown on the
display in all modes while the Hourly Time Signal is
turned on.
Hourly time signal on
indicator
Stopwatch
The stopwatch lets you measure elapsed time, split times,
Minutes
and two finishes.
•
The display range of the stopwatch is 23 hours, 59
Seconds
Hours
minutes, 59.99 seconds.
•
The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
•
The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
•
Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
•
All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing
1/100 second
To measure times with the stopwatch
Elapsed Time
E
E
E
Start
Stop
Re-start
Split Time
E
A
A
Start
Split
Split release
Two Finishes
E
A
E
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
Backlight
The backlight uses an EL (electro-luminescent) panel that
Auto light switch
causes the entire display to glow for easy reading in the
on indicator
dark. The watch's auto light switch automatically turns on
the backlight when you angle the watch towards your face.
•
The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
•
See "Backlight Precautions" for other important
information about using the backlight.
To turn on the backlight manually
L
Press
in any mode to illuminate the display.
•
You can specify 1.5 second or 2.5 seconds as the
display illumination duration. See "To set the time and
date" for more information.
•
The above operation turns on the backlight regardless of
the current auto light switch setting.
About the Auto Light Switch
Turning on the auto light switch causes the backlight to turn on, whenever you position
your wrist as described below in any mode. Note that this watch features a "Full Auto
EL Light", so the auto light switch operates only when available light is below a certain
level. It does not turn on the backlight under bright light.
Moving the watch to a position that is parallel to the ground and then tilting it
towards you more than 40 degrees causes the backlight to turn on.
•
Wear the watch on the outside of your wrist.
Parallel to
ground
(–) to change it.
– – –
– – –
mark appears (between
E
A
and
to select an alarm or
through
) displays the
x1
x5
C
.
E
A
Stop
Clear
E
A
Stop
Clear
A
A
Split release
Clear
Display time of
second runner.
More than
°
40
— 5 —
Warning!
•
Always make sure you are in a safe place whenever you are reading the
display of the watch using the auto light switch. Be especially careful when
running or engaged in any other activity that can result in accident or injury.
Also take care that sudden illumination by the auto light switch does not
surprise or distract others around you.
•
When you are wearing the watch, make sure that its auto light switch is turned
off before riding on a bicycle or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create a
distraction, which can result in a traffic accident and serious personal injury.
To turn the auto light switch on and off
L
In the Timekeeping Mode, hold down
for about two seconds to toggle the auto light
switch on (
displayed) or off (
•
The auto light switch on indicator (
auto light switch is turned on.
Battery
Solar cell
This watch is equipped with a solar cell and a
rechargeable battery (secondary battery) that is charged
by the electrical power produced by the solar cell. The
illustration shown nearby shows how you should position
the watch for charging.
Example: Orient the watch so its face is pointing at a light
source.
•
Note that charging efficiency drops when any part of the
solar cell is blocked by clothing, etc.
•
The illustration shows how to position a watch with a
resin band.
Important!
•
Storing the watch for long periods in an area where there is no light or wearing it in
such a way that it is blocked from exposure to light can cause rechargeable battery
power to run down. Be sure that the watch is normally exposed to bright light
whenever possible.
•
This watch employs a solar cell that converts light into electricity, which charges a
built-in rechargeable battery. Normally, the rechargeable battery should not need
replacement, but after very long use over a number of years, the rechargeable
battery may lose its ability to achieve a full charge. If you experience problems
getting the rechargeable battery to a full charge, contact your dealer or CASIO
distributor about having the rechargeable battery replaced.
•
The rechargeable battery should be replaced with a CASIO-specified CTL1616
battery only. Other rechargeable batteries can cause damage to the watch.
•
All data stored in memory is deleted, and the current time and all other settings
return to their initial factory defaults whenever battery power drops to Level 4 and
when you have the battery replaced.
•
Turn on the watch's Power Saving function and keep it in an area normally exposed
to bright light when storing it for long periods. This helps to keep the rechargeable
battery from going dead.
Battery Power Indicator and RECOV Indicator
The battery power indicator on the display shows you the current status of the
rechargeable battery's power.
Level
Battery Power Indicator
Battery power
indicator
1
2
3
(Charge Soon Alert)
4
•
The flashing
CHARGE indicator at Level 3 tells you that battery power is very
low, and that exposure to bright light for charging is required as soon as possible.
•
At Level 4, all functions are disabled and settings return to their initial factory
defaults. Functions are enabled once again after the rechargeable battery is
charged, but you need to set the time and date, after the battery reaches Level 3
from Level 4. You will not be able to set any of the other settings until the battery
reaches Level 2 after dropping to Level 4.
•
Display indicators reappear as soon as the battery is charged from Level 4 to Level 3.
•
Leaving the watch in direct sunlight or some other very strong light source can
cause the battery power indicator to temporarily show a reading that is higher than
the actual battery level. The correct battery power indicator should appear after a
few minutes.
•
If you use the backlight or the alarm a number of times during a short period,
RECOV appears on the display, and the backlight and beeper tone become disabled
until battery power recovers. After some time, battery power will recover and RECOV
will disappear, indicating that the above functions are enabled again.
•
If RECOV appears frequently, it probably means that remaining battery power is low.
Leave the watch in bright light to allow it to charge.
Charging Precautions
Certain charging conditions can cause the watch to become very hot. Avoid leaving
the watch in the areas described below whenever charging its rechargeable battery.
Also note that allowing the watch to become very hot can cause its liquid crystal
display to black out. The appearance of the LCD should become normal again when
the watch returns to a lower temperature.
Warning!
Leaving the watch in bright light to charge its rechargeable battery can cause it
to become quite hot. Take care when handling the watch to avoid burn injury.
The watch can become particularly hot when exposed to the following
conditions for long periods.
•
On the dashboard of a car parked in direct sunlight
•
Too close to an incandescent lamp
•
Under direct sunlight
not displayed).
) is on the display in all modes while the
Function Status
All functions enabled.
All functions enabled.
Except for timekeeping and
battery power indicator, all
functions and display indicators
are disabled.
All functions disabled.
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