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Operation Guide 4398
When you want to do this:
Move the hand setting forward
20 seconds
Move the hand setting a short way
forward at high speed
Move the hand setting a long way
forward at high speed
Perform this button operation:
•Press D.
•Hold down D.
•Release D when the hands reach the setting you
want.
•While holding down D to move the hands at high
speed, press B to lock the high-speed hand
movement.
•To stop the hand movement, press any button.
•Hand movement stops automatically if the hour hand
makes one full (12-hour) revolution or if a daily alarm
or Hourly Time Signal starts to sound.
3. Use D and B to adjust the analog setting as described below.
4. Press A to exit the setting screen.
• The watch will automatically adjust the minute hand slightly to match its internal
second count when you exit the setting screen.
• To return to the Timekeeping Mode, press C.
World Time
World Time digitally displays the current time in 48 cities
(29 time zones) around the world.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time in another city
1.In the World Time Mode, press D to display the
currently selected city code.
2.While the city code is displayed, press D to scroll
eastwardly through the city codes.
• The city code is displayed for about one second, and
then it is replaced with the current time for that city code.
• For full information about city codes, see the “City Code
Table”.
City code
Current time for the
selected city code
• If the current time shown for a city is wrong, it probably means there is a problem
with your Timekeeping Mode time and/or Home City code settings. Go to the
Timekeeping Mode and make the necessary adjustments.
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
whose Standard Time/Daylight Saving Time setting you
want to change.
2.Hold down A for about one second to toggle between
Daylight Saving Time (DST indicator displayed) and
Standard Time (DST indicator not displayed).
DST indicator
• 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 the currently displayed city
code. Other city codes are not affected.
• Note that you cannnot 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
toggle the Timekeeping Mode digital time between DST and Standard Time” for
information about turning the Home City code DST setting on and off.
Stopwatch
The stopwatch lets you measure elapsed time.
• 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.
• 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
1/100 second
To measure times with the stopwatch
Elapsed Time
Start
Stop Re-start Stop
Clear
Alarm
When the alarm is turned on, the alarm tone sounds when
the alarm time is reached.
You can 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.
Alarm on indicator
Alarm time
(Hour : Minutes)
To set an alarm time
1.In the Alarm Mode, 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.
2.Press C to move the flashing between the hour and
minute settings.
3.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).
4.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.
• To stop the alarm tone after it starts to sound, press any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn the daily alarm and the Hourly Time Signal on and off
In the Alarm Mode, press D to cycle through the settings shown below.
Dark figures on a light background
Alarm Off
Signal Off
Alarm On
Signal Off
Alarm Off
Signal On
Alarm On
Signal On
Light figures on a dark background
Alarm Off
Signal Off
Alarm On
Signal Off
Alarm Off
Signal On
Alarm On
Signal On
• The alarm on indicator and the Hourly Time Signal on indicator are shown on the
display in all modes while these functions are turned on.
Illumination
Two LEDs (light-emitting diodes) illuminate the face of the
watch for easy reading in the dark.
Illumination Precautions
• Illumination 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 batteries.
Reference
This section contains more detailed and technical information about watch operation.
It also contains important precautions and notes about the various features and
functions of this watch.
Button Operation Tone
The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.
• Even if you turn off the button operation tone, the alarm,
and Hourly Time Signal all operate normally.
To turn the button operation tone on and off
In any mode (except when a setting screen is on the
display), hold down C to toggle the button operation tone
on (MUTE indicator not displayed) and off (MUTE
indicator displayed).
MUTE indicator
• Since C is also the mode change button, holding it down to turn the button
operation tone on or off also causes the watch’s current mode to change.
• The MUTE indicator is displayed in all modes when the button operation tone is
turned off.
Auto Return Features
• If you leave the watch in the Alarm Mode or Hand Setting Mode for two or three
minutes without performing any operation, it automatically changes to the
Timekeeping Mode.
• If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch automatically saves any settings you
have made up to that point and exits the setting screen.
Scrolling
The D and B buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls at high speed.
Initial Screens
When you enter the World Time, the data you were viewing when you last exited the
mode appears first.
To illuminate the face of the watch
In any mode (except when a setting screen is on the display), press B to turn on
illumination.