Casio 3159, MO1005-EA Alarms, World Time, Stopwatch, Alarm Operation, Signal Reception Troubleshooting

Operation Guide 3159

Alarms

To turn auto receive on and off

ll ll						1. In the Timekeeping Mode, press D to display the latest
ll		l	l l			successful receive time and date screen.
	l
ll l					ll
	l					2. Hold down A until the current auto receive setting (ON
	l				l
l					l	or OFF) starts to flash. This is the setting screen.
l
	l	l l			l	• Note that the setting screen will not appear if the
				l	l
						currently selected Home City is one that does not
	On/Off status					support time calibration reception.

3.Press D to toggle auto receive on (ON) and off (OFF).

4.Press A to exit the setting screen.

•For information about city codes that support signal receive, see “To specify your Home City”.

To check the latest signal reception results

In the Timekeeping Mode, press Dto view the latest successful receive time and date. Press Dagain to return to the previous screen.

Alarm number

Alarm time (Hour : Minutes)

To set an alarm time

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 Mode, which you enter by pressing C.

1.In the Alarm Mode, press Dto scroll through the alarm screens until the one whose time you want to set is displayed.

•The watch also will return to normal timekeeping if you do not perform any button operation for about one or two minutes.

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 Mode
manual receive.	Timekeeping Mode.	and try again.
	• Your current Home City is not	• Select LIS, LON, MAD, PAR,
	one of the following: LIS, LON,	ROM, BER, STO, ATH, MOW,
	MAD, PAR, ROM, BER, STO,	HKG, BJS,TPE, SEL, TYO,
	ATH, MOW, HKG, BJS,TPE,	HNL, ANC,YVR, LAX, YEA,
	SEL, TYO, HNL, ANC,YVR,	DEN, MEX, CHI, MIA, YTO,
	LAX, YEA, DEN, MEX, CHI,	NYC, YHZ, or YYT as your
	MIA,YTO, NYC, YHZ, or YYT	Home City.
	• A countdown timer operation is	• Enter the Countdown Timer
	in progress.	Mode and stop the countdown.
Auto receive is	• You changed the time setting	• Perform manual signal receive
turned on, but	manually.	or wait until the next auto
the RCVD	• The DST setting was changed	signal receive operation is
indicator does	manually in the World Time Mode.	performed.
not appear on	• You pressed a button while	• Check to make sure the watch
the display.	signal receive was in progress.	is in a location where it can
	• Even if receive is successful,	receive the signal.
	the 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 is	• If the time is one hour off, the	• Change the DST setting to
incorrect	DST setting may be incorrect.	Auto DST.
following signal	• The Home City code setting is	• Select the correct Home City
reception.	not correct for the area where	code.
	you are using the watch.

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

World Time

•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 A until the hour setting of the alarm time starts to flash, which indicates the setting screen.

•This operation turns on the alarm automatically.

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

		1. In the Alarm Mode, use Dto select an alarm.
		2. Press Ato toggle it on ( ) and off ( ).
		• Turning on a alarm (AL1, AL2, AL3, AL4 or
		SNZ) displays the alarm on indicator on its Alarm Mode
		screen.
		• In all modes, the alarm on indicator is shown for any
	On/Off status	alarm that currently is turned on.
		• The alarm on indicator flashes while the alarm is
Alarm on indicator		sounding.

• The snooze alarm indicator flashes while the snooze

Snooze alarm indicator	alarm is sounding and during the 5-minute intervals
	between alarms.

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use Dto select the Hourly Time Signal (SIG).

2. Press Ato 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.

On/Off status

City code

World Time shows the current time in 48 cities (29 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

Hourly time signal on indicator

Stopwatch

Current time in selected city

any World Time Mode time, check to make sure you

have the correct city selected as your Home City. Also

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.

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

World Time Mode, which you enter by pressing C.

Hours

Seconds

Minutes 1/100 second

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

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.

•

To view the time in another city

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

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

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

DST indicator	1. In the World Time Mode, press Dto display the city
	code (time zone) whose Standard Time/Daylight Saving
	Time setting you want to change.
	2. Hold down A to 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
	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.

All of the operations in this section are performed in the

Stopwatch Mode, which you enter by pressing C.

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

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