G-Shock GR-8900 - Manual (Page 2)

Operation Guide 3269
E-10
Timekeeping
Press the B button to toggle the upper display between the day of the week and
date, and the currently selected World Time city and time (Dual Time).
Use the Timekeeping Mode to set and view the current time and date.
Current Time
Seconds
PM indicator
Hour : Minutes Seconds
Day of week
Month – Day
Dual Time
Dual time
City code
▲ B
▲
B
E-11
Read This Before You Set the Time and Date!
This watch is preset with a number of city codes, each of which represents the time
zone where that city is located. When setting the time, it is important that you first
select the correct city code for your Home City (the city where you normally use the
watch). If your location is not included in the preset city codes, select the preset city
code that is in the same time zone as your location.
• Note that all of the times for the World Time Mode city codes (page E-17) are
displayed in accordance with the time and date settings you configure in the
Timekeeping Mode.
To set the time and date manually
1. In the Timekeeping Mode hold down A until the city
code starts to flash, which indicates the setting screen.
2. Use D and B to select the city code you want.
• Make sure you select your Home City code before
changing any other setting.
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• For full information on city codes, see the “UTC Differential/City Code List” at the
back of this manual.
3. Press C to move the flashing in the sequence shown below to select the other
setting.
Seconds
12/24-Hour
Format
Hour Minutes DST
Month Year
City Code
Day Power Saving Illumination
Duration
Operation
Tone
4. When the timekeeping setting you want to change is flashing, use D or B to
change it as described below.
Specify your Home City
Cycle between Daylight Saving Time
(
ON) and Standard Time (OFF).
Use D (east) and B
(west).
Press
D.
Screen: To do this: Do this:
E-13
Toggle between 12-hour ( ) and
24-hour ( ) timekeeping
Reset the seconds to zero ( )
Change the hour and minutes
Change the year, month and day
Toggle between Button Operation
Tone on(
) and off ( )
Toggle the display illumination
duration between 1.5 seconds (
)
and three seconds ( )
Toggle between Power Saving on ( )
and off ( )
Press D.
Press D.
Use D (+) and B (–).
Press D.
Press D.
Press D.
Screen: To do this: Do this:
5. Press A to exit the setting screen.
E-14
To specify your Home City
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press D (east) and B (west) to select the city code
you want to use as your Home City.
3. Press A to exit the setting screen.
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City code
Hour : Minutes
PM indicator
Seconds
E-15
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.
To change the Daylight Saving Time (summer time) setting
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press C and the DST setting screen appears.
3. Use D to cycle through the DST settings in the
sequence shown below.
DST off ( OFF) DST on ( ON)
4. When the setting you want is selected, press A to exit
the setting screen.
• The DST indicator appears to indicate that Daylight
Saving Time is turned on.
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DST indicator
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12-hour and 24-hour timekeeping
• With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for
times in the range of noon to 11:59 p.m. and no indicator appears to the left of the
hour digits 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
the P (PM) indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Others
• The day of the week is displayed automatically in accordance with the date (year,
month and day) settings.
• Button operation tone on and off (page E-44)
• Illumination duration (page E-31)
• Power Saving on and off (page E-47)
E-17
World Time
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
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 “UTC Differential/City Code List” at the
back of this manual 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
(page E-9).
City code
Current time in selected city
E-18
To view the time in another city
While in the World Time Mode, use the D (eastward) and B (westward) buttons to scroll
through the city codes (time zones). Holding down either button scrolls at high speed.
• Pressing the D and B buttons at the same time will jump to the UTC time zone.
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use D and B to 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.
• You can turn on DST individually for each city code,
except UTC.
• Turning on DST for the city code that is currently
selected as your Home City will turn on DST for normal
timekeeping.
DST indicator
E-19
Alarms
You can set up to five independent daily alarms with hour
and minutes. When an alarm is turned on, the alarm tone
sounds when the alarm time is reached. One of the
alarms is a snooze alarm, while the other four are daily
alarms.
You also can turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
• There are five alarm screens numbered AL1 , AL2 ,
AL3 and AL4 for the daily 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 (page
E-9).
Alarm number
Alarm time
(Hour : Minutes)
Current Time