Casio 2481 manual Countdown Timer Dual Time, Reference, Stopwatch

USER’S GUIDE 2481

Countdown Timer

Dual Time

Minutes

Hour Seconds

The countdown timer can be set within a range of 1 minute to 24 hours. An alarm sounds when the countdown reaches zero.

• You can also select auto-repeat, which

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.

automatically restarts the countdown from the

original value you set whenever zero is reached.

• Countdown timer functions are available in the

Countdown Timer Mode, which you enter by

pressing C.

To use the countdown timer

Press D while in the Countdown Timer Mode to start the countdown timer.

To set the Dual Time

Hour : Minutes Seconds

1.Press C to enter the Dual Time Mode.

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

3.Press C to change the selection in the following sequence.

Hour Minutes

• 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.

• Press D while a countdown operation is in progress to pause it. Press D

again to resume the countdown.

Reference

4.Press D to increase the setting.

5.Press A to exit the setting screen.

• To completely stop a countdown operation, first pause it (by pressing D),

and then press A. This returns the countdown time to its starting value.

To set the countdown start time

1.In the Countdown Timer Mode, hold down A until the hours setting of the countdown start time starts

to flash, which indicates the setting screen.

2. Press C to move the flashing between the hours and minutes settings.

3. While a setting is flashing, use D to change it.

• To set the starting value of the countdown time to 24 hours, set 0:00.

4. Press A to exit the setting screen.

To turn auto-repeat on and off

1.In the Countdown Timer Mode, hold down A until

Auto-repeat indicator the hours setting of the countdown start time starts

to flash, which indicates the setting screen.

2. Press B to toggle auto-repeat on ( displayed)

and off ( not displayed).

• Note that pressing B in the above operation also turns on the backlight.

•When the end of the countdown is reached while

auto-repeat is on, the alarm sounds, but the countdown restarts from the beginning without stopping. You can stop the countdown by pressing

D and manually reset to the start time by pressing

A.

•The auto-repeat indicator appears in the Countdown Timer Mode only.

Stopwatch

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 EL (electro-luminescent) panel that causes the entire display to glow for easy reading in the dark. In any mode, press B to illuminate the display for about one second.

•The EL panel that provides illumination loses power after very long use.

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

•The watch may emit an audible sound whenever the display is illuminated. This is due to vibration of the EL panel used for illumination, and does not indicate malfunction.

•The backlight automatically turns off whenever an alarm sounds.

•Frequent use of the backlight shortens the battery life.

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 stopwatch

Elapsed 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.

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