Casio MO0905-A World Time, Adjusting the Home Positions, Timekeeping, Alarm, Swapping your Home City and World Time City, Alarm Operation

Operation Guide 5007

World Time

Adjusting the Home Positions

Current time (hour) in the currently selected World Time city

24-hour City code hand

Minutes

Seconds Upper right dial hand

The World Time Mode shows you the current time in 29 cities (29 time zones) around the world. A simple operation swaps your Home City with the currently selected World Time city.

•When you enter the World Time Mode, the stopwatch second hand will move automatically to the city code that is currently selected as the World Time city. At the same time, the hour and minute hands will move to the current time in that city.

•The upper right dial hand shows whether or not Daylight Saving Time (summer time) is turned off for the currently selected city code.

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

•All of the operations in this section are performed in the World Time Mode.

If the time and date settings are wrong even after the time calibration signal is received normally, use the following procedure to adjust their home positions.

To adjust the home positions

Stopwatch second hand		1. In the Timekeeping Mode, as you hold down A, hold
			down Cfor about three seconds until the watch beeps.
			• This indicates that the watch is in the time and date
			home position adjustment mode.
			• First is timekeeping second hand and stopwatch
			second hand home position adjustment.
			• If the timekeeping second hand moves to “0”, it is in
			the correct home position. If it doesn’t, use Dto
			move the timekeeping second hand to “0”.
	Timekeeping		• The stopwatch second hand is also in the proper
	second hand		home position if it moves to 12 o’clock. If it doesn’t,

Correct timekeeping second press B to move it to 12 o’clock.

hand and stopwatch second 2. After confirming that the timekeeping second hand and

hand home positions	stopwatch second hand are both at the proper home
Minute hand	positions, press C.

To view the time in another city

In the World Time Mode, use Dto move the stopwatch second hand to the city code of the city you want to select as the World Time city.

•The hour hand, minute hand, 24-hour hand, and date display will change automatically to the applicable settings for the currently selected city code.

•All buttons (except for Cfor changing modes) are disabled while the hands and date display are changing.

•The watch will beep if the city code you select is your current Home City.

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

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

Hour hand	This will switch to hour hand and minute hand home
	position adjustment.
	• The hour hand and minute hand are at their proper
	home positions if they both move to 12 o’clock, and if
	the 24-hour hand is pointing at hour 24. If the hands
	are not positioned correctly, use D(+) and B (–) to
	move all three hands to their proper home positions.
	• The 24-hour hand moves in accordance with the hour,
	minute, and second settings. As you set the time, take
	care to ensure that the 24-hour hand also is at the
24-hour hand

Upper right dial hand

▲Hold down Afor three

▲ seconds.

1.In the World Time Mode, use Dto select the city code whose Standard Time/Daylight Saving Time setting you want to change.

2.Hold down Afor about three seconds until the watch beeps. This will cause the upper right dial hand to toggle between ON (Daylight Saving Time) and OFF (Standard Time).

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

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

•The Standard Time/Daylight Saving Time setting of your Home City can be changed in the Timekeeping Mode only. See “To set the time and date manually” for more information.

Correct hour and minute	correct position.
	3. After confirming that the hour and minute hands are in
hand home position
	the correct home positions, press C. This will advance
Upper right dial hand to upper right dial hand home position adjustment.
	• The upper right dial hand is in the correct home
	position if it is pointing at 0 (or 60). If it isn’t, use
	D(+) and B (–) to move the hand to 0 (or 60).
	4. After confirming that the upper right dial hand is in the
	correct home position, press C. This will advance to
	date home position adjustment.
	• The date is in the correct home position if it shows “1”.
	If it doesn’t, use D (+) and B (–) to change the date
Correct upper right dial	to “1”.
	• Pressing C here will return to the timekeeping
hand home position
	second hand and stopwatch second hand home
	position adjustment in step 1 of this procedure.
	5. Press A to return to the Timekeeping Mode.
	• After you complete the home position adjustment
	procedure, place the watch in a location that allows
	good time calibration signal reception, and then perform

Swapping your Home City and World Time City

You can use the procedure below to swap your Home City and World Time city. This changes your Home City to your World Time city, and your World Time city to your Home City. This capability can come in handy when you travel frequently between two cities in different time zones.

•If your current World Time city supports receipt of a time calibration signal, making it your Home City enables calibration signal reception.

a manual receive operation. See “To perform manual

receive” for more information.

Date

Correct date home position

Timekeeping

To swap your Home City and World Time city

1.In the World Time Mode, use Dto select the World Time city you want.

2.Hold down B for about three seconds until the watch beeps.

•This will make the World Time city (which you selected in step 1), your Home City. At the same time, it will change the Home City you had selected prior to step 2 to your World Time city.

•After swapping the Home City and World Time city, the watch stays in the World Time Mode with the city that was selected as the Home City prior to step 2 now displayed as the World Time city.

Alarm

	Stopwatch
Hour hand	second hand
24-hour		Minute
hand		hand

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

•All of the operations in this section are performed in the Timekeeping Mode.

To set the time and date manually

1. In the Timekeeping Mode, hold down A for about five

seconds until the watch beeps twice.

• The stopwatch second hand will move to the city code

of the currently selected Home City. This is the city

code setting mode.

• The second hand will stop at “0”.*

Alarm time (minute)

When the alarm is turned on, the alarm sounds when the alarm time is reached.

• The upper right dial hand points to AL while the watch is

in the Alarm Mode. The stopwatch second hand points

to the current alarm on (ON)/off (OFF) setting, while the

Timekeeping	Upper right
	dial
second hand
	(day of the
Date week) hand

* Some models show “60” instead of “0”.

2. Use Dto change the Home City setting.

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

Table”.

24-hour	Mode
hand	indicator

Alarm time (hour)

hour, minute, and 24-hour hands indicate the current

alarm time setting.

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

Alarm Mode.

To set an alarm time

1.In the Alarm Mode, hold down A for about three seconds until the watch beeps. This indicates it is in the setting mode.

•The stopwatch second hand will move to ON (alarm on) at this time.

3. Use Bto cycle through the DST settings in the sequence shown below.

Auto DST

DST off (OFF) DST on (ON)

(AT/AUTO)

• Auto DST (AT/AUTO) can be selected only while LON, PAR, ATH, HNL, ANC,

LAX, DEN, CHI, NYC, HKG, or TYO is selected as the Home City code. For more

information, see “Daylight Saving Time (DST)”.

• Even after you change the DST setting, you can still use Dto select a different

Home City code if you want.

2.Use D(+) and B(–) to change the alarm time setting.

•Each press of either button moves the hands one-minute.

3.After setting the alarm time, press A to exit the setting mode.

• Setting the alarm time causes the alarm to turn on automatically.

• As you set the alarm time, take care to ensure that the 24-hour hand also is at the correct position.

Alarm Operation

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

•Alarm operations are performed in accordance with the Timekeeping Mode time.

•Pressing any button stops the alarm tone operation.

To toggle an alarm on and off

In the Alarm Mode, press Ato toggle the alarm ON and OFF.

4.	After the Home City and DST settings are the way you want, press C.
	• This will cause the watch to beep, and the stopwatch second hand and upper
	right dial hand to move to their 12 o’clock positions.This is the time setting mode.
5.	Use D(+) and B(–) to change the time (hour and minute) setting.
	• As you set the time, take care to ensure that the 24-hour hand also is at the
	correct position.

Stopwatch	00	10			6. After the time setting is the way you want, press C.
second					• This will cause the watch to beep and change to the
hand			20		year setting mode.
					7. Use D and B to change the year setting.
90				30	• Each press of Bwill move the stopwatch second
					hand and change the year setting in 10-year units.
80			40		• Each press of Dwill move the timekeeping second
					hand and change the year setting in one-year units.
70	60	50			8. After the year setting is the way you want, press C.
					• This will cause the watch to beep and change to the
Setting the year (10-year units)
					month setting mode.
Timekeeping		0
	9		1
second hand	8		2
	7		3
	6		4
		5

Setting the year
(1-year units)	4