Casio 2499, 3092 Stopwatch, Dual Time, Reference, Auto return features, Data and Setting Scrolling, Backlight Precautions

Operation Guide 2499/3092

Stopping a Snooze Alarm Operation

After a snooze alarm time is reached, you can perform the following steps during any 5-minute interval between alarms to stop the snooze alarm operation.

To stop a Snooze Alarm Operation

1.While in the Alarm Mode, press D to display the alarm screen.

2.Next, press Ato turn off the alarm or to select the one-time alarm.

•Note that this also changes the alarm type setting. If you want to use the snooze alarm again, you must re-select it as the alarm type. See “To select the alarm type” for more information.

To test the alarm

•In the Alarm Mode, hold down D to sound the alarm.

To turn the Hourly Time Signal on and off

1.In the Alarm Mode, press Dto display the Hourly Time Signal screen.

2.Press Ato turn it on and off.

Indicates Hourly Time Signal is on.

Indicates Hourly Time Signal is off.

•The Hourly Time Signal on indicator is shown on the display in all modes while this function is turned on.

Stopwatch

Minutes

Hour Seconds

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 stopwatchElapsed time

Start	Stop	Re-start	Stop	Clear
Split time
Start	Split	Split release	Stop	Clear
	(SPL displayed)
Two Finishes
Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
	first runner.

Dual Time

The Dual Time Mode lets you keep track of time in a different time zone.

•In the Dual Time Mode, the seconds count is synchronized with the seconds count of the Timekeeping Mode.

To set the Dual Time

1. Press Cto enter the Dual Time Mode.

2. In the Dual Time Mode, hold down Auntil the hour setting starts to flash, which indicates the setting screen.

3. Press Cto change the selection in the following

	sequence.
Hour : Minutes Seconds	Hour	Minutes
Hour : Minutes Seconds

4.Press Dto increase the setting.

5.Press Ato exit the setting screen.

Reference

This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch.

Auto return features

•If you leave a screen with flashing digits for two or three minutes without performing any operation, the watch automatically saves any settings you have made up to that point and exits the setting screen.

Data and Setting Scrolling

The D button is used to scroll through setting screen data on the display. Holding down this button during a scroll operation scrolls through the data at high speed.

Backlight Precautions

The backlight uses an LED (light-emitting diode) and a light guide panel that cause the entire display to glow for easy reading in the dark.

In any mode, press Bto illuminate the display for about one second.

•The illumination provided by the backlight may be hard to see when viewed under direct sunlight.

•The backlight automatically stops illuminating whenever an alarm sounds.

•Frequent use of the backlight shortens the battery life.