Casio 3772 Stopwatch, Countdown Timer, Alarm, Illumination, Timekeeping, Alarm Operation, Setting the Digital Time and Date Manually

Operation Guide 3772

Stopwatch

Minutes

Seconds

1/100 second

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

•The display range of the stopwatch is 59 minutes, 59.99 seconds.

•The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it.

•Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement.

•The stopwatch measurement operation continues even if you exit the Stopwatch Mode.

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

To turn the Daily alarm and the Hourly Time Signal on and off

In the Alarm Mode, press D to cycle through the settings shown below.

Alarm On Indicator / Hourly Time Signal On Indicator

Alarm Off	Alarm On	Alarm Off	Alarm On
Signal Off	Signal Off	Signal On	Signal On

To measure times with the stopwatch
Elapsed Time
D	➤ D	➤ D	➤ D	➤A
Start	Stop	Re-start	Stop	Clear
Split Time
D	➤ A	➤A	➤ D	➤A
Start	Split	Split release	Stop	Clear
Two Finishes
D	➤ A	➤D	➤ A	➤A
Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
	first runner.

Countdown Timer

Minutes	You can set the countdown timer within a range of one to
	60 minutes. An alarm sounds when the countdown
Seconds
	reaches zero.
	• Calibration signal reception (both auto and manual) is
	disabled while a countdown timer operation is in
	progress.
	• All of the operations in this section are performed in the
	Countdown Timer Mode, which you enter by pressing
	C.

To set the countdown start time

1.While the countdown start time is on the display in the Countdown Timer Mode, hold down A until the current countdown start time starts to flash, which indicates the setting screen.

•If the countdown start time is not displayed, use the procedure under “To use the countdown timer” to display it.

2.While a setting is flashing, use D(+) and B(–) to change it.

3.Press Ato exit the setting screen.

To use the countdown timer

Press Dwhile in the Countdown Timer Mode to start the countdown timer.

•When the end of the countdown is reached, 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 Dwhile a countdown operation is in progress to pause it. Press Dagain to resume the countdown.

•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.

Alarm

Alarm time	When the alarm is turned on, the alarm sounds when the
(Hour : Minutes)	alarm time is reached. You can also turn on an Hourly
PM indicator	Time Signal, which will cause the watch to beep twice
	every hour on the hour.
	• All of the operations in this section are performed in the
	Alarm Mode, which you enter by pressing C.

Hourly time signal on indicator

Alarm on indicator

To set the alarm time

1.In the Alarm Mode, hold down A until the hour setting of the alarm time starts to flash, which indicates the setting screen.

•This operation automatically turns on the alarm.

2.Press Cto move the flashing between the hour and minute settings.

3.While a setting is flashing, use D(+) and B(–) to change it.

•When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. (no indicator) or p.m. (P indicator).

4.Press Ato exit the setting screen.

Alarm Operation

The alarm sounds at the preset time for about 10 seconds, regardless of the mode the watch is in.

•To stop the alarm tone after it starts to sound, press any button.

To test the alarm

In the Alarm Mode, hold down Dto sound the alarm.

•The alarm on indicator and the Hourly Time Signal on indicator are shown on the display in all modes while these functions are turned on.

Illumination

An LED (light-emitting diode) and light guide panel illuminate the digital display for easy reading in the dark.

• See “Illumination Precautions” for other important information.

To turn on illumination

In any mode, press B to illuminate the display.

• You can specify 1.5 seconds or 2.5 seconds as the illumination duration. See “To set the current digital time and date manually” for more information.

Timekeeping

Use the Timekeeping Mode to set and view the current time and date. This section also explains how to manually set the current date and time.

•When setting the time, you can also configure settings for the illumination duration and the 12/24-hour format.

•All of the operations in this section are performed in the Timekeeping Mode, which you can enter by pressing C.

Press A.	PM indicator
▲	Hour : Minutes
▲
A
	Reception date
Press D.	Reception time

Last Signal

Screen

Setting the Digital Time and Date Manually

Make sure you select your Home City code before you change the current time and date settings. World Time Mode times are all displayed in accordance with the Timekeeping Mode settings. Because of this, World Time Mode times will not be correct if you do not select the proper Home City code before setting the time and date in the Timekeeping Mode.

To set the current digital time and date manually

		1. In the Timekeeping Mode, hold down A until the city
		code starts to flash, which indicates the setting screen.
		2. Press Cto move the flashing in the sequence shown
		below to select other settings.
City code
	City Code	DST	12/24-Hour	Seconds	Hour
			Format
	Day	Month		Year	Minutes

3.When the setting you want to change is flashing, use B and/or Dto change it as described below.

Screen:	To do this:	Do this:
	Change the city code	Use D (east) and B (west).
	Cycle between Daylight Saving Time	Press D.
	(ON), Standard Time (OFF), and
	Auto DST (A t )
	Toggle between 12-hour (12H) and	Press D.
	24-hour (24H) timekeeping
	Reset the seconds to 00	Press D.
	Toggle the illumination duration	Press B.
	setting between 1.5 seconds ( ) and
	2.5 seconds ( )
	Change the hour or minutes	Use D (+) and B (–).

Change the year

Change the month or day

•See “City Code Table” for a complete list of available city codes.

•For information about settings other than the time and date, see the following.

Illumination duration: Illumination

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