Casio 3797 Alarm, Reference, Stopwatch, Auto Return Feature, Scrolling, Alarm Operation, Timekeeping

Operation Guide 3797

Alarm

Reference

Mode indicator

Timekeeping Mode time

Alarm time (Hour : Minutes)

AM indicator

When the daily alarm is turned on, the alarm sounds when the alarm time is reached.

•All of the operations in this section are performed in the Alarm Mode, which you enter by pressing A.

To set an alarm time

1.In the Alarm Mode, press B so the hour digits of the current alarm time start to flash. This is the setting screen.

•This operation automatically turns on the alarm.

2.Press C to change (advance) the hour setting.

•With the 12-hour format, set the time correctly as a.m. (A) or p.m. (P).

3.Press B to move the flashing to the minute digits.

4.Press C to change (advance) the minute setting.

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 Feature

•If you leave the watch in the Alarm Mode for two or three minutes without performing any operation, it automatically returns to the Timekeeping Mode.

•If you leave a screen with flashing digits on the display for two or three minutes without performing any operation, the watch automatically exits the setting screen.

Scrolling

The C button is used in various modes and setting screens to scroll through data on the display. In most cases, holding down this button during a scroll operation scrolls through the data at high speed.

5. After setting the alarm time minute digits, press B to exit the setting screen.

•You can also press A to exit the setting screen while any other setting is flashing.

Alarm Operation

The alarm tone sounds at the preset time for 20 seconds, regardless of the mode the watch is in.

•Alarm operations are performed in accordance with the Timekeeping Mode time.

To stop the alarm tone after it starts to sound

Press any button.

To test the alarm

In the Alarm Mode, hold down C to sound the alarm.

To turn an alarm on and off

In the Alarm Mode, press C to toggle the alarm on (alarm time displayed) and off (OFF displayed).

•The alarm on indicator is displayed in all modes while the alarm is on.

Alarm On Screen

Alarm Off Screen

Alarm on indicator

Press .

Stopwatch

The stopwatch lets you measure elapsed time, split times, and two finishes.

•The display range of the stopwatch is 23 hours, 59 minutes, 59 seconds.

•After the elapsed time reaches one hour, the display changes to show the hours, minutes, and seconds in 1-second units.

Timekeeping Mode time

		Times greater
Mode		than one hour
indicator
		Hours	Seconds
Minutes	1/100 second	Minutes
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 A.

To measure times with the stopwatchElapsed Time

Start	Stop	Re-start	Stop	Clear
Split Time

Start	Split	Split release	Stop	Clear
Two Finishes	(SPL displayed)
Two Finishes

Start	Split	Stop	Clear
	First runner	Second runner
	finishes.	finishes.
	Display time of	Display time of
	first runner.	second runner.

Timekeeping

•Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are reset to 00 without changing the minutes.

•With the 12-hour format, the PM indicator appears on the display for times in the range of noon to 11:59 p.m. and the AM indicator appears for times in the range of midnight to 11:59 a.m.

•With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without any indicator.

•The year can be set in the range of 1997 to 2099.

•The watch’s built-in full automatic calendar makes allowances for different month lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watch’s battery replaced.