Casio 3361 Alarms, Stopwatch, Illumination, Countdown Timer, Alarm Operation, About the Auto Light Switch

Operation Guide 3360 3361

• Note that you cannot use the World Time Mode to change the DST setting of the

To turn auto-repeat on and off

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 the bottom dial shows 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

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l		l l	l l l			l
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Number of repeats

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.
• When auto-repeat is turned on, the alarm sounds and
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

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

pressing B.

• Auto-repeat timing repeats up to nine times.

Stopwatch

Alarm time (Hour : Minutes)

screen. 00 is shown for the alarm number when the

Hourly Time Signal screen is displayed in the middle left

dial.

• 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

in the bottom dial clears the split time and returns to

elapsed time measurement.

To set an alarm time

Alarm on indicator

1.In the Alarm Mode, use Dto scroll through the alarm numbers in the middle left dial until the one whose time you want to set is displayed.

Minutes Seconds

• 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.

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A1 A2 A3

00 A5 A4

2.Hold down Auntil 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.

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

3.Press Cto 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 Ato exit the setting screen.

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 Bto sound the alarm.

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.

Illumination

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 Bto turn it on and off. The current setting is indicated by top dial indicators.

Indicates alarm is ON.

Indicates Hourly Time Signal is ON.

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

•If any alarm is on, the alarm on indicator is displayed on the top dial in all modes.

Countdown Timer

Auto light switch indicator

An LED (light-emitting diode) and light guide panel illuminate the digital dials for easy reading in the dark. The watch’s auto light switch automatically illuminates the digital dials when you angle the watch towards your face.

•The auto light switch must be turned on (indicated by the auto light switch indicator) for it to operate.

•See “Illumination Precautions” for other important information.

To turn on illumination manually

In any mode, press Lto illuminate the digital dials.

• You can specify 1.5 seconds or 2.5 seconds as the

illumination duration. See “To set the current digital time

Graphic (1/10 second)

1/10 second Mode indicator

Minutes Seconds

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

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

•The left dial indicates the 1/10 second count. When auto-repeat is turned on, however, the center of this dial shows the current repeat count. The periphery of the dial continues to show the 1/10 second count.

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

Countdown Timer Mode, which you enter by pressing

C.

and date manually” for more information.

• The above operation turns on illumination regardless of

the current auto light switch setting.

About the Auto Light Switch

Turning on the auto light switch causes illumination to turn on whenever you position your wrist as described below in any mode. Note that this watch features a “Full Auto Light,” so the auto light switch operates only when available light is below a certain level. It does not illuminate the digital dials under bright light.

Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes illumination to turn on.

•Wear the watch on the outside of your wrist.

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 in the bottom dial, use the procedure under “To use the 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 Dwhile 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 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 B. This returns the countdown time to its starting value.

Parallel to	More than
ground	40°

Warning!

•Always make sure you are in a safe place whenever you are reading the watch using the auto light switch. Be especially careful when running or engaged in any other activity that can result in accident or injury. Also take care that sudden illumination by the auto light switch does not surprise or distract others around you.

•When you are wearing the watch, make sure that its auto light switch is turned off before riding on a bicycle, or operating a motorcycle or any other motor vehicle. Sudden and unintended operation of the auto light switch can create a distraction, which can result in a traffic accident and serious personal injury.

To turn the auto light switch on and off

In any mode, hold down L for about two seconds to toggle the auto light switch on (auto light switch indicator displayed on the top dial) and off (auto light switch indicator not displayed).

•The auto light switch is automatically turned off whenever battery power is at Level 4. After battery power recovers to Level 2, you will have to perform the above procedure to turn the auto light switch back on again.

•The auto light switch indicator remains in all modes while the auto light switch is turned on.

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