Casio GW6900-1V, GW69001V World Time, Stopwatch, Alarms, Countdown Timer, LIS, LON, MAD, LIS, LON, MAD, YYT, SPL, lll, Stop, Stop, Stop, Stop, Start, Start, Split, Start, Split, Problem

Operation Guide 3179

Signal Reception Troubleshooting

Check the following points whenever you experience problems with signal reception.

Problem	Probable Cause		What you should do
Cannot perform	• The watch is not in the		• Enter the Timekeeping
manual receive.	Timekeeping Mode.		Mode and try again.
	• Your current Home City is not one		• Select LIS, LON, MAD,
	of the following: LIS, LON, MAD,		PAR, ROM, BER, STO,
	PAR, ROM, BER, STO, ATH,		ATH, MOW, HKG, BJS,
	MOW, HKG, BJS, TPE, SEL,TYO,	TPE, SEL, TYO, HNL, ANC,
	HNL, ANC,YVR, LAX, YEA, DEN,		YVR, LAX, YEA, DEN,
	MEX, CHI, NYC, YHZ, or YYT		MEX, CHI, NYC, YHZ,
			or YYT as your Home City.
Auto receive is	• You changed the time setting		• Perform manual signal
turned on, but	manually.		receive or wait until the next
the RCVD	• The DST setting was changed		auto signal receive
indicator does	manually in the World Time Mode.		operation is performed.
not appear on	• You pressed a button while signal		• Check to make sure the
the display.	receive was in progress.		watch is in a location where
	• Even if receive is successful, the		it can receive the signal.
	RCVD indicator will disappear
	from the display each day when
	the first auto receive operation of
	the day is performed.
	• Time data (hour, minutes, seconds)
	only was received during the last
	receive operation. The RCVD
	indicator appears only when time
	data and date data (year, month,
	day) are both received.
Time setting	• If the time is one hour off, the DST		• Change the DST setting to
is incorrect	setting may be incorrect.		Auto DST.
following	• The Home City code setting is not		• Select the correct Home
signal	correct for the area where you are		City code.
reception.	using the watch.

•For further information, see “Important!” under “Time Calibration Signal Reception” and “Radio-controlled Atomic Timekeeping Precautions”.

World Time

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.

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

5.Press Ato exit the setting screen.

Alarm Operation

The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the watch is in. In the case of the snooze alarm, the alarm operation is performed a total of seven times, every five minutes, until you turn the alarm off.

•Alarm and Hourly Time Signal operations are performed in accordance with the Timekeeping Mode time.

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

•Performing any one of the operations below during a 5-minute interval between snooze alarms cancels the current snooze alarm operation.

Displaying the Timekeeping Mode setting screen Displaying the SNZ setting screen

To test the alarm

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

To turn an alarm on and off

Alarm on indicator	1. In the Alarm Mode, use D to select an alarm.
	2. Press B to toggle it on and off.
Snooze alarm	• Turning on a alarm (AL1, AL2, AL3, AL4 or
indicator	SNZ) displays the alarm on indicator on its Alarm Mode
	screen.
	• In all modes, the alarm on indicator is shown for any
	alarm that currently is turned on.
	• The alarm on indicator flashes while the alarm is
	sounding.
	• The snooze alarm indicator flashes while the snooze
	alarm is sounding and during the 5-minute intervals
ON	between alarms.
To turn the Hourly Time Signal on and off
Hourly time signal	1. In the Alarm Mode, use Dto select the Hourly Time
	Signal (SIG).
on indicator
	2. Press Bto toggle it on and off.

•The Hourly Time Signal on indicator is shown on the

display in all modes while this function is turned on.

City code

World Time shows the current time in 48 cities (31 time zones) around the world.

• The times kept in the World Time Mode are

synchronized with the time being kept in the

Timekeeping Mode. If you feel that there is an error in

any World Time Mode time, check to make sure you

have the correct city selected as your Home City. Also

Stopwatch

Current time in selected city

check to make sure that the current time as shown in

the Timekeeping Mode is correct.

• Select a city code in the World Time Mode to display the

current time in any particular time zone around the

globe. See the “City Code Table” for information about

the UTC differential settings that are supported.

Hours

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

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

minutes, 59.99 seconds.

• The stopwatch continues to run, restarting from zero

after it reaches its limit, until you stop it.

• The stopwatch measurement operation continues even

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

To view the time in another city

While in the World Time Mode, use the D(eastward) and B(westward) to scroll through the city codes (time zones).

•Pressing the Dand Bat the same time will jump to the UTC time zone.

Seconds

1/100 second

Minutes

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 C.

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

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

2. Hold down Ato toggle between Daylight Saving Time (DST indicator displayed) and Standard Time (DST indicator not displayed).

	• The DST indicator is shown on the World Time Mode
DST indicator	screen while Daylight Saving Time is turned on.
	• Note that the Standard Time/Daylight Saving Time

setting affects only the currently displayed city code. Other city codes are not affected.

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

Alarms

Alarm number	The Alarm Mode gives you a choice of four one-time
	alarms and one snooze alarm.
	Also use the Alarm Mode to turn the Hourly Time Signal
	(SIG) on and off.
	• There are five alarm screens numbered AL1, AL2,
	AL3 and AL4 for the one-time alarm, and a snooze
	alarm screen indicated by SNZ. The Hourly Time
	Signal screen is indicated by SIG.
	• All of the operations in this section are performed in the
Alarm time	Alarm Mode, which you enter by pressing C.
(Hour : Minutes)
To set an alarm time	1. In the Alarm Mode, use Dto scroll through the alarm
	screens until the one whose time you want to set is
	displayed.

•To set a one-time alarm, display alarm screen AL1, AL2, AL3 or AL4. To set the snooze alarm, display the SNZ screen.

•The snooze alarm repeats every five minutes.

2.After you select an alarm, hold down Auntil the hour setting of the alarm time starts to flash, which indicates the setting screen.

•This operation turns on the alarm automatically.

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
	(SPL displayed)
Two Finishes
D	➤ B	➤ D	➤ B	➤ B
Start	Split	Stop	Split release	Clear
	First runner finishes. Second runner		Display time of
	Display time of first	finishes.	second runner.
	runner.

Countdown Timer

		You can set the countdown timer within a range of one
		minute to 24 hours. An alarm sounds when the countdown
		reaches zero.
		• All of the operations in this section are performed in the
		Countdown Timer Mode, which you enter by pressing
		C.
		Countdown End Beeper
Hours
	Minutes	The countdown end beeper lets you know when the
	Seconds	countdown reaches zero. The beeper stops after about 10
		seconds or when you press any button.
To configure the countdown timer
		1. While the countdown start time is on the display in the
		Countdown Timer Mode, hold down Auntil the current
		countdown start time starts to flash, which indicates the
lll		setting screen.
		• If the countdown start time is not displayed, use the
l	l	procedure under “To use the countdown timer” to
l	l
l
l	ll	display it.
ll		2. Press C to move the flashing in the sequence shown
		below to select other settings.
			Hours	Minutes

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