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Operation Guide 3310
• The DST indicator will appear on the display whenever you display a city code for
which Daylight Saving Time is turned on.
• Note that you cannot switch between Standard Time and Daylight Saving Time
while GMT is selected as the city code.
• Note that the DST/Standard Time setting affects only the currently displayed city
code. Other city codes are not affected.
Alarms
You can set three independent Daily Alarms. When an
On/Off status
alarm is turned on, the alarm tone sounds when the alarm
Mode
Alarm
time is reached. You can also turn on an Hourly Time
number
indicator
Signal that causes the watch to beep twice every hour on
the hour.
• The alarm and Hourly Time Signal operate in
accordance with the current digital time.
• The alarm number (AL1 though AL3) indicates an alarm
screen. SIG appears in place of the alarm number when
the Hourly Time Signal screen is shown.
Alternate at
• All of the operations in this section are performed in the
two-second
Alarm Mode, which you enter by pressing C.
interval
Alarm time
(Hour : Minutes)
To set an alarm time
1. In the Alarm Mode, press D to select the alarm whose
time you want to set.
AL1
2. Hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This automatically turns on the alarm.
3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (P indicator).
• If you have 24-hour timekeeping selected in the Timekeeping Mode, the alarm
time is also displayed in 24-hour format.
5. Press A to exit the setting screen.
Alarm Operation
The alarm sounds in all modes at the preset time for about 10 seconds, or until you
stop it by pressing any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, press D to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to set is selected, press A to
turn it on and off.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
1/100
and two finishes.
Seconds
second
• The display range of the stopwatch is 99 minutes, 59.99
seconds.
• The 1/100-second value appears while the elapsed time
operation is stopped or while a split time is frozen on the
display.
Elapsed Time Screen
More than
one minute
Elapsed time
(Minutes : Seconds)
Minutes
Seconds
Split Time Screen
Split time
Split indicator
(Minutes : Seconds)
• The stopwatch continues to run, restarting from zero after it reaches its limit, until
you stop it.
• Exiting the Stopwatch Mode while a split time is frozen on the display clears the split
time and returns to elapsed time measurement.
• The stopwatch measurement operation continues even if you exit the Stopwatch
Mode.
• All of the operations in this section are performed in the Stopwatch Mode, which you
enter by pressing C.
AL2
AL3
SIG
1/100 second
1/100 second
To measure times with the stopwatch
Elapsed Time
D
D
➤
D
➤
Start
Stop
Re-start
Split Time
D
➤
A
➤
A
Start
Split
Split release
Two Finishes
A
➤
D
D
➤
Start
Split
Stop
First runner
Second
finishes.
runner
Display time of
finishes.
first runner.
Illumination
An LED (light-emitting diode) and a light guide panel
illuminate the digital display for easy reading in the dark.
• See "Illumination Precautions" for other important
information.
To illuminate the display
In any mode, press B to illuminate the display.
• You can specify 1.5 seconds or 2.5 seconds as the
illumination duration. See "To set the current digital time
and date manually" for more information.
Battery
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 below shows how you should position the watch for charging.
Example: Orient the watch so its face
is pointing at a light source.
• The illustration shows how to position
a watch with a resin band.
• Note that charging efficiency drops
when any part of the solar cell is
blocked by clothing, etc.
• Normally, you should try to keep the
watch outside of your sleeve as much
as possible. Charging is significantly
reduced if the face is only partially
covered.
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. Make sure that the watch is normally exposed to bright light
whenever possible.
• 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. Should you notice problems with getting the rechargeable battery to a
full charge, contact your dealer or CASIO distributor about having it 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 level 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.
To check the current battery level
In the Timekeeping Mode, press C once to display the battery level indicator.
• The battery level indicator shows the battery level either as HI (Level 1) or MID
(Level 2).
• If the battery level drops below Level 2 (MID), a charge soon alert (Level 3) is
displayed in all modes.
Battery level indicator
or
Level
Battery Level
Function Status
Indicator
1
All functions enabled.
2
All functions enabled.
3
Auto and manual receive,
alarm, hourly time signal,
illumination, and display are
disabled. Though the hands of
the watch do not move, time
(Charge Soon Alert)
continues to be kept internally.
4
All functions, including
timekeeping, disabled.
➤
D
➤
A
Stop
Clear
➤
D
➤
A
Clear
Stop
➤
A
➤
A
Split release
Clear
Display time of
second runner.
Solar cell
3
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