CASIO G2900F-2V
Owner's Manual

USER�S GUIDE 2548
Stopwatch
� In the case of the snooze alarm, the reminder text appears on the Timekeeping Mode screen for the initial alarm operation only. � Performing any one of the following operations during a 5-minute interval between snooze alarms cancels the current snooze alarm operation. Displaying the Timekeeping Mode setting screen Displaying the SNZ setting screen Changing the DST setting of the Home City code in the World Time Mode
Seconds

To test the alarm In the Alarm Mode, hold down D to sound the alarm. To turn an alarm on and off 1. In the Alarm Mode, use D and B to select an alarm. Alarm on indicator 2. Press A to toggle it on and off. � Turning on a alarm (AL1to AL4, or SNZ) displays the 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 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. To turn the Hourly Time Signal on and off 1. In the Alarm Mode, use D and B to select the Hourly Time Signal (SIG). 2. Press A to toggle it on (ON) and off (OFF). � The Hourly Time Signal on indicator ( ) is shown on the display in all modes while this function is turned on.
Hours Minutes 1/100 second

The stopwatch lets you measure elapsed time, split times, and two finishes. � The display range of the stopwatch is 23 hours, 59 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 C.

To measure times with the stopwatch Elapsed Time
Start Split Time Start Two Finishes Start Split
First runner finishes. Display time of first runner.

Stop

Re-start

Stop

Clear

Split
( displayed)

Split release

Stop

Clear

Stop
Second runner finishes.

Split release
Display time of second runner.

Clear

Hourly time signal on indicator

� The time on the screen may not appear to stop immediately when you press a button to stop timing or to perform a split operation. Despite this, the time recorded by your button operation is accurate.

Countdown Timer
Hours Minutes

Backlight
You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero. � You can also select auto-repeat, which automatically restarts the countdown from the original value you set whenever zero is reached. � The initial default countdown start time when you purchase the watch or after you have its battery replaced is 15 minutes. � Countdown timer functions are available in the Countdown Timer Mode, which you can enter using C.
Auto light switch on indicator

The backlight uses an EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the 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.

Seconds Timekeeping Mode time

To use the countdown timer Press D while in the Countdown Timer Mode to start the countdown timer. � When the end of the countdown is reached and auto-repeat is turned off, the alarm sounds for 10 seconds or until you stop it by pressing any button. The countdown time is automatically reset to its starting value after the alarm stops. � When the end of the countdown is reached and auto-repeat is turned on, the alarm sounds, but the countdown starts again automatically whenever the countdown reaches zero. � The countdown timer measurement operation continues even if you exit the Countdown Timer Mode. � Press D while a countdown operation is in progress to pause it. Press D again to resume the countdown. � To completely stop a countdown operation, first pause it (by pressing D), and then press B. This returns the countdown time to its starting value. To set up the countdown timer 1. While the countdown start time is on the display in the Countdown Timer Mode, hold down A until the hour setting of the countdown start time starts to flash, which indicates the setting screen. � If the countdown start time is not displayed, use the procedure �To use the countdown timer� to display it. 2. Press C to move the flashing in the sequence shown below to select other settings.
Hours Minutes Auto-repeat

To turn on the backlight manually In any mode, press L to illuminate the display for about one second. � 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 for about one second, whenever you position your wrist as described below in any mode. 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.

Parallel to ground

More than 40 °

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.

3. While a setting is flashing, use D and B to change it as described below.
Screen 0:15 OFF To do this: Change the hours or minutes Toggle auto-repeat on (ON) and off (OFF)
0:00.

To turn the auto light switch on and off In the Timekeeping Mode, hold down L for about one second to toggle the auto light switch on ( displayed) and off ( not displayed). � The auto light switch on indicator ( ) is on the display in all modes while the auto
light switch is turned on. � In order to protect against running down the battery, the auto light switch automatically turns off approximately six hours after you turn it on. Repeat the above procedure to turn the auto light switch back on if you want.

Do this: Use D (+) and B (�). Press D.

� To specify a countdown start time of 24 hours, set 4. Press A to exit the setting screen. � The auto-repeat on indicator ( ) appears on the display while this function is turned on. � Frequent use of auto-repeat and the alarm can run down battery power.

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