Casio 3379 Countdown Timer, World Time, Alarms, Stopwatch, Alarm Operation

Operation Guide 3379

When you want to do this:	Perform this button operation:
Move the hand setting	• Press D.
forward 20 seconds
Move the hand setting a short	• Hold down D.
way forward at high speed	• Release D when the hands reach the setting
	you want.
Move the hand setting a	• While holding down D to move the hands at
long way forward at high	high speed, press B to lock the high-speed
speed	hand movement.
	• To stop the hand movement, press any
	button.
	• Hand movement stops automatically if the hour
	hand makes one full (12-hour) revolution.

4. Press A to exit the setting screen.

•The minute hand will be adjusted slightly to match the seconds when you exit the setting screen.

•To return to the Timekeeping Mode, press C.

Alarm Operation

The alarm sounds in all modes at the preset time for about 10 seconds, or until you stop it by pressing any button.

To test the alarm

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

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

1.In the Alarm Mode, use D to select an alarm or the Hourly Time Signal.

2.When the alarm or the Hourly Time Signal you want to set is selected, press B to turn it on and off. The current setting is indicated by following indicators.

Indicates alarm is ON.

Indicates Hourly Time Signal is ON.

•The alarm on indicator () and the Hourly Time Signal on indicator () remain displayed in all modes while these functions are turned on.

•The alarm on indicator appears when any of the alarms is turned on.

Countdown Timer

World Time

1/10 second

Mode indicator

You can set the countdown timer within a range of one to 60 minutes. An alarm sounds when the countdown reaches zero.

Mode indicator

The World Time Mode digitally shows the current time in 30 cities (29 time zones) around the world.

•Pressing A in the World Time Mode causes the applicable city code to appear in the bottom dial for about one second.

•If the current time shown for a city is wrong, check your Home City time settings and make the necessary changes.

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

Minutes Seconds

•You can also select auto-repeat, which automatically restarts the countdown from the original value you set whenever zero is reached.

•The left display window normally shows the 1/10 second count. When auto-repeat is turned on, however, it shows the current repeat count.

•All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing

C.

Current
time in
selected	City code
city

To set the countdown start time

1. While the countdown start time is displayed in the bottom dial 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

To view the time in another city

While in the World Time Mode, press D to scroll through the city codes (time zones) to the east or B to scroll to the west.

•For full information on city codes, see the “City Code Table”.

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, use B and D to display the city code (time zone) whose Standard Time/Daylight Saving Time setting you want to change in the bottom dial.

• Pressing A in the World Time Mode causes the applicable city code to appear in the bottom dial for about one second.

2. Hold down A to toggle Daylight Saving Time (DST indicator displayed in the bottom dial) and Standard Time (DST indicator not displayed).

DST indicator

•Note that you cannot use the World Time Mode to change the DST setting of the Home City code you currently have selected in the Timekeeping Mode. See “To change the Daylight Saving Time (summer time) setting” for information about turning the Home City code DST setting on and off.

•Note that you cannot switch between Standard Time and Daylight Saving Time while GMT is selected as the city code.

•The DST indicator will appear whenever you display a city code for which Daylight Saving Time is turned on.

•Note that the DST/Standard Time setting affects only the currently displayed city code. Other city codes are not affected.

Alarms

countdown timer” to display it.

2. Press C to toggle the flashing contents of the bottom dial between the two settings

shown below.

Auto-

Minutesrepeat

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

• See “To turn auto-repeat on and off” below for details on the auto-repeat setting.

4.Press A to exit the setting screen.

To use the countdown timer

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

•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.

•To completely stop a countdown operation, first pause it (by pressing D), and then press B. This returns the countdown time to its starting value.

To turn auto-repeat on and off

1. While the countdown start time is displayed in the

	bottom dial in the Countdown Timer Mode, hold down
	A until the current countdown start time starts to flash
	in the bottom dial, which indicates the setting screen.
	2. Press C until the auto-repeat setting is flashing in the
	bottom dial.
	3. Press D to turn auto-repeat on (		displayed) and
	off (	displayed).
	4. Press A to exit the setting screen.
Number of repeats	• When auto-repeat is turned on, the alarm sounds and

Mode indicator

Alarm number

You can set five independent daily alarms. When an alarm is turned on, the alarm tone sounds when the alarm time is reached.

You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour.

• The alarm number (A1 through A5) indicates an alarm

screen. 00 is shown for the alarm number when the

Hourly Time Signal screen is displayed.

countdown starts again whenever the countdown

reaches zero. You can stop the countdown by pressing

D, and manually reset to the countdown start time by

pressing B.

•Auto-repeat timing repeats up to nine times.

Stopwatch

Alarm time (Hour : Minutes)

• All of the operations in this section are performed in the

Alarm Mode, which you enter by pressing C.

Mode indicator 1/100 second

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

• The display range of the stopwatch is 99 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

To set an alarm time

1. In the Alarm Mode, use D to scroll through the alarm

Alarm on indicatornumbers until the one whose time you want to set is displayed.

A1 A2 A3

Minutes Seconds

in the bottom dial 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.

00	A5	A4
2. Hold down A until the hour digits of the alarm time

start to flash in the bottom dial, which indicates the setting screen.

• This automatically turns on the alarm.

3. Press C to move the flashing between the hour and minute settings.

4. 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. ( indicator on the bottom dial).

5. Press A to exit the setting screen.

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

first runner. 2