Casio 4312/4313 Using the Timer, Using the Alarms and, Time Up Alarm, ■ To use the countdown timer, ■To set the timer start time, ■To stop the alarm, ■To test the alarm

Operation Guide 4312/4313

Using the Timer

Use the Cbutton to enter the Timer Mode as shown under	■ To use the countdown timer	Time Up Alarm
“Modes and Display Screens”.	In the Timer Mode, press the D button.	The watch beeps for 10 seconds when the end of the countdown
	In the Timer Mode, press the D button.
		is reached.

You can set the start time of the timer in units of one minute in the range of 1 to 60 minutes. The watch beeps for 10 seconds when the end of the countdown is reached.

■To set the timer start time

1. While the current starting time is displayed in the Timer Mode, hold down the Abutton for about two seconds until the minutes start to flash on the display. This is the

setting screen.	Minute
setting screen.
2. Use the D (+) and B(–)	(–)
buttons to change the
minute setting.
• Holding down either button
changes the setting at high
speed.
	(+)

3. When the setting is the way you want, press the

Abutton to exit the setting screen.

•The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes.

•Each press of the D button starts or stops the stopwatch.

•The time counts down in one-second steps.

(Reset)

(Start/Stop)

Minutes/Seconds

•Pressing the A button while the countdown is stopped resets to the countdown start time.

•Pressing the Dbutton again while the timer countdown is stopped restarts the countdown.

■To stop the alarm

Pressing any button while the beeper is sounding stops it.

Important!

Calibration signal reception is disabled while a timer operation is in progress. Because of this, you should avoid performing timer operations during the timeframes that signal reception is performed, or perform manual receive after your timer operation is complete.

Using the Alarms and	Use the Cbutton to enter the Alarm Mode as shown under
	“Modes and Display Screens”.

■To turn an alarm or the hourly time signal on or off

■To stop the alarm

Pressing any button while the beeper is sounding stops it.

Hourly Time Signal

In the Alarm Mode, press the

D button.

Hourly Time Signal On Indicator

■To test the alarm

In the Alarm Mode, hold down the D button to sound the beeper.

The watch beeps for 10 seconds when the Timekeeping Mode time reaches the currently set alarm time. The Hourly Time signal causes the watch to beep every hour on the hour.

3. Use the D (+) and B(–)	(–)
buttons to change the
flashing setting.

• Each press of the D button

cycles through the Hourly Time

Signal and alarm settings as

shown below. The current on/off

■To set an alarm time

1. In the Alarm Mode, hold down the Abutton for about two seconds until the hour digits start to flash on the display. This is the setting screen.

Alarm on indicator

• Holding down either button
changes the setting at high
speed.
• When setting the hour, make	(+)
sure you specify AM (no
indicator) or PM (P) correctly
when using 12-hour
timekeeping, or that you
specify the correct 24-hour

status is indicated by the

indicators that appear on the

display.

Alarm On Indicator

•This also causes the alarm on indicator to appear and turns on the alarm automatically.

2.Use the C button to move the flashing between the hour and the minute setting.

Hour

time.

•The same 12-hour/24-hour format you select for the Timekeeping Mode time is also applied in the Alarm Mode.

4.When the setting is the way you want, press the A button to exit the setting screen.

•The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes.

Hourly Time	Off	Off	On	On
Signal
Alarm	Off	On	Off	On

Minute