World Time - Casio 347 Operation Manual

Operation Guide 3437
5. Press A to exit the setting screen.
The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
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12/24-Hour Format
With the 12-hour format, the PM indicator appears for times in the range of noon to
11:59 p.m. and no indicator appears for times in the range of midnight to 11:59 a.m.
With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Changing the City Setting of a Local Time
You can select any one of the city codes in the table at the back of this manual as a
Local Time city.
1. Display the Local Time whose city setting you want to change, and then hold down
A for about two seconds until the current city code starts to fl ash.
2. Use D (east) and B (west) to select the city code you want.
3. Press C to display the DST setting screen.
4. Press D to toggle between Daylight Saving Time (
Time ( displayed).
5. After the settings are the way you want, press A.
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To turn on illumination
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
You can use the procedure above to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press B, the illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current illumination duration setting.
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To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D (east) to display the city
code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.
2. Hold down A for about one second to toggle Daylight
Saving Time (DST displayed) and Standard Time (DST
not displayed).
The DST indicator is on the display whenever you display
a city code for which Daylight Saving Time is turned on.
Note that the DST/Standard Time setting affects only
DST indicator
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.
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Alarms
Your watch has a total of fi ve alarms, each of which you
Alarm on indicator
can confi gure as a daily alarm or one-time alarm.
Daily Alarm: Sounds at the preset time each day.
One-time Alarm: Sounds once at the preset time and then
is disabled automatically.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C (page E-5).
Alarm number Alarms operate in coordination with the current Home
City Time.
Alarm time
(Hour : Minutes)
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To toggle the Timekeeping Mode time between DST and Standard Time
Changing Your Home City Time
Use the following procedure to change your current Home City Time to any one of the
three Local Times.
1. In the Timekeeping Mode, press D to display the Local Time which you want to
2. Press A and B at the same time.
Illumination
An LED (light-emitting diode) illuminate the display for easy reading in the dark.
Illumination Precautions
displayed) and Standard

World Time

To change your Home Time city to the current World Time city
1. In the World Time Mode, use D to display the city you want to make your new
2. Press A and B at the same time.
To set an alarm time
2. After you select an alarm, hold down A until the hour setting of the alarm time
1. Use D to display the current Home City Time (T-1)
screen.
2. Hold down A until the seconds start to fl ash, which
indicates the setting screen.
3. Press C to display the DST setting screen.
4. Press D to toggle between Daylight Saving Time (
displayed) and Standard Time (
5. Press A to exit the setting screen.
The DST indicator appears on the Timekeeping screen to
DST indicator
indicate that Daylight Saving Time is turned on.
make your Home City Time.
This makes the Local Time you selected in step 1 your new Home City Time.
The illumination provided by the light may be hard to see when viewed under direct
sunlight.
Illumination automatically turns off whenever an alarm sounds.
Frequent use of illumination runs down the battery.
World Time shows the current time in 48 cities (31 time
City code
zones) around the world.
All of the operations in this section are performed in
the World Time Mode, which you enter by pressing C
(page E-4).
To view the time for another city code
In the World Time Mode, press D to scroll eastwardly
through city codes.
For full information about city codes, see the "City Code
Table" at the back of this manual.
Current time and date in
If the current time for a city is wrong, check your
the zone of the selected
Timekeeping Mode time and time zone settings and
city code
make the necessary changes.
Home Time city.
This makes the World Time city you selected in step 1 your new Home Time city.
1. In the Alarm Mode, use D to scroll through the alarm
screens until the alarm number you want to set is
displayed.
D
starts to fl ash, which indicates the setting screen.
This operation turns on the One-time Alarm automatically.
displayed).
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D D
D
D D
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