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Operation Guide 4739
3
World Time
The World Time Mode digitally displays the current time in
48 cities (29 time zones) around the world.
• If the current time shown for a city is wrong, check your
Home City time settings and make the necessary
changes.
• Pressing A in the World Time Mode displays the city
code of the currently selected city for about two
seconds.
• The watch will perform a signal reception even if it is in
the World Time Mode when a calibration time is
reached. If this happens, the World Time Mode time
settings will be adjusted in accordance with the
Timekeeping Mode’s Home City time.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
City code
Current time in
selected city
To view the time in another city
While in the World Time Mode, press D to scroll through the city codes (time zones)
to the east.
• For full information on city codes, see the “City Code Table”.
To toggle a city code time between Standard Time and Daylight Saving Time
1.In the World Time Mode, use D to display the city code
(time zone) whose Standard Time/Daylight Saving Time
setting you want to change.
2.Hold down A to toggle Daylight Saving Time (DST
indicator displayed) and Standard Time (DST indicator
not displayed).
• Note that you cannot use the World Time Mode to
change the DST setting of the Home City code you
currently have selected in the Timekeeping Mode. See
“To change the Daylight Saving Time (summer time)
setting” for information about turning the Home City
code DST setting on and off.
DST indicator
• The DST indicator will appear 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 the currently displayed city
code. Other city codes are not affected.
Countdown Timer
You can set the countdown timer within a range of one to
60 minutes. An alarm sounds when the countdown
reaches zero.
• Calibration signal reception (both auto and manual) is
disabled while a countdown timer operation is in
progress.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Minutes
Seconds
To set the countdown start time
1. While the countdown start time is on the display in the Countdown Timer Mode,
hold down A until the current countdown start time starts to flash, which indicates
the setting screen.
• If the countdown start time is not displayed, use the procedure under “To use the
countdown timer” to display it.
2. While a setting is flashing, use D (+) and B (–) to change it.
3. Press A to exit the setting screen.
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for 10 seconds or until
you stop it by pressing any button. The countdown time is automatically reset to its
starting value after the alarm stops.
• Press D while a countdown operation is in progress to pause it. Press D again to
resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing D), and then
press A. This returns the countdown time to its starting value.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 59 minutes, 59.99
seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
• The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
• All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing C.
Minutes
Seconds
D
Start Stop
Elapsed Time
➤
Re-start Clear
D
➤
Stop
D
➤
D ➤
A
Split Time
D
Start Split
➤
Split release
Clear
A ➤
Stop
A
➤
D ➤
A
Two Finishes
D
Start Split
➤
Stop
Clear
A
➤
Split release
D
➤
A
➤
A
First runner finishes.
Display time of first
runner.
Second runner
finishes.
Display time of
second runner.
To measure times with the stopwatch
• When elapsed time measurement is paused, the display alternates between a
minute/second screen and a 1/100 second screen at two-second intervals.
• The split time screen cycles alternately through the split (SPL) indicator , a minute/
second screen, and a 1/100 second screen.
Alarm
When the alarm is turned on, the alarm sounds when the
alarm time is reached. You can also turn on an Hourly
Time Signal, which will cause the watch to beep twice
every hour on the hour.
• When the alarm is turned on, the alarm screen
alternates between ALON (alarm on) and the current
alarm time (hour and minutes). When the alarm is off,
ALOF (alarm off) remains on the alarm screen.
• Pressing D in the Alarm Mode toggles between the
alarm screen and Hourly Time Signal screen.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
2-second
intervals
On/Off status
Alarm Screen
Hourly Time Signal Screen
▲
▲
Press D.
To set the alarm time
1.In the Alarm Mode, press D to display the alarm
screen.
2.Hold down A until the hour setting of the alarm time
starts to flash, which indicates the setting screen.
• This operation automatically turns on the alarm.
3.Press C to move the flashing between the hour and
minute settings.
4.While a setting is flashing, use D (+) and B (–) to
change it.
• When setting the alarm time using the 12-hour format,
take care to set the time correctly as a.m. (no
indicator) or p.m. (P indicator).
5.Press A to exit the setting screen.
Alarm Operation
The alarm sounds at the preset time for about 10 seconds, regardless of the mode the
watch is in.
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Alarm time
(Hour : Minutes)
• To stop the alarm tone after it starts to sound, press any button.
• Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode digital time.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn the alarm and the Hourly Time Signal on and off
1.In the Alarm Mode, press D to select the alarm or the
Hourly Time Signal screen.
2.Press A to toggle the currently selected function on
(ON displayed) and off (OF displayed).
On/Off status
Illumination
An LED (light-emitting diode) and light guide panel
illuminate the face of the watch for easy reading in the
dark.
• See “Illumination Precautions” for other important
information.
To turn on illumination
In any mode (except when a setting is on the display),
press B to illuminate the face of the watch for about one
second.
Timekeeping
Use the Timekeeping Mode to set and view the current time and date. This section
also explains how to manually set the current date and time.
• When setting the time, you can also configure settings for the 12/24-hour format.
• Each press of A cycles the digital display in the sequence shown below.
Press A.
Month
Day
Hour : Minutes
PM indicator
▲
Day of week
A
A
▲
▲
A
▲
Second
• Pressing D in the Timekeeping Mode will display the Last Signal screen.
▲
Press D.
▲
Last Signal Screen
• All of the operations in this section are performed in the Timekeeping Mode, which
you can enter by pressing C.
Setting the Digital Time and Date Manually
Make sure you select your Home City code before you change the current time and
date settings. World Time Mode times are all displayed in accordance with the
Timekeeping Mode settings. Because of this, World Time Mode times will not be
correct if you do not select the proper Home City code before setting the time and
date in the Timekeeping Mode.