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Operation Guide 5146
3
World Time
World Time digitally displays the current time in one of
48 cities (29 time zones) around the world. A simple
operation swaps your Home City with the currently
selected World Time City.
• 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.
• Times in the World Time Mode are based on UTC
offsets. See the “City Code Table” for information about
the UTC offsets that are supported.
• All of the operations in this section are performed in the World Time Mode, which
you enter by pressing C.
Currently selected
World Time City
World Time
▲
Press A.
One second
Hour : Minutes
To view the current time in another time zone
In the World Time Mode, use D to scroll through available city codes (time zones).
• The lower digital display will show the time in the currently selected World Time City.
• A PM indicator (P) will be displayed in the lower digital display between the hours of
noon and midnight.
• When the city code (time zone) you want is selected, you can press A to display
the date. After about one second, the watch will resume regular timekeeping for the
currently selected city.
Seconds
Date
PM indicator
To toggle a city code time between Standard Time and Daylight Saving Time
1.In the World Time Mode, press D to display the city
code (time zone) whose Standard Time/Daylight Saving
Time setting you want to change.
2.Hold down A for about three seconds to toggle
between Daylight Saving Time (DST indicator
displayed) and Standard Time (DST indicator not
displayed).
• A DST indicator will be displayed in the lower digital
display if 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
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 frequently travel between two
cities in different time zones.
To swap your Home City and World Time City
1. In the World Time Mode, use D to select the World Time City you want.
2. Hold down A and B until the watch beeps.
• This will make the World Time City you selected in step 1 your Home City, and cause
the hour and minute hands to move to the current time in that city. At the same time,
it will change the Home City you had selected prior to step 2 your World Time City,
and cause the content of lower digital display to change accordingly.
• 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.
Alarms
When an alarm is turned on, the alarm tone will sound
when its 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.
Alarm number
Alarm time
(Hour : Minutes)
To set an alarm time
1.In the Alarm Mode, use D to scroll through the alarm
screens until the one whose time you want to set is
displayed.
SIG
AL1 AL2 AL3 AL4 SNZ
• To set a daily alarm, display alarm screen AL1 , AL2,
AL3 or AL4. To set the snooze alarm, display the SNZ
screen.
• SIG is the Hourly Time Signal setting.
• The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down A for about three seconds until the hour
setting of the alarm time starts to flash. This is the setting mode.
• This operation turns on the alarm automatically.
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.
5. Press A to exit the setting mode.
On/Off
status
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, or until you turn the alarm off.
• Alarm and Hourly Time Signal operations are performed in accordance with the
current time in your Home City, as kept in the Timekeeping Mode.
• To stop the alarm tone after it starts to sound, press any button.
• Performing any one of the following operations during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen
Displaying the
SNZ
setting screen
To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
2. Press A to toggle it on (on) and off (OFF).
• Turning on a alarm (AL1, AL2, AL3, AL4 or SNZ)
displays the alarm on indicator on its Alarm Mode
screen.
• In all modes, the alarm on indicator is shown for any
alarm that currently is turned on.
• The alarm on indicator flashes while the alarm is
sounding.
• The snooze alarm indicator flashes while the snooze
alarm is sounding and during the 5-minute intervals
between alarms.
Alarm on
indicator
Snooze
alarm
indicator
On/Off
status
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select the Hourly Time
Signal (SIG).
2. Press A to toggle it on (on) and off (OFF).
• The Hourly Time Signal on indicator is shown on the
display in all modes while this function is turned on.
Hourly time signal
on indicator
On/Off
status
Illumination
An LED (light-emitting diode) illuminates the face of the
watch for easy reading in the dark. The watch’s auto light
switch turns on illumination automatically when you angle
the watch towards your face.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• See “Illumination Precautions” for other important
information about using illumination.
To illuminate the display manually
In any mode, press B to turn on illumination.
• The above operation turns on illumination regardless of
the current auto light switch setting.
• You can use the procedure below to select either 1.5
seconds or 3 seconds as the illumination duration. When
you press B, illumination will remain on for about 1.5
seconds or 3 seconds, depending on the current
illumination duration setting.
Auto light switch on
indicator
To specify the illumination duration
1.In the Timekeeping Mode, hold down A until the
display contents start to flash. This is the setting mode.
2.Press C nine times to display the current illumination
duration LT1 or LT3 .
3.Press D to toggle the setting between LT1(1.5
seconds) and LT3 (three seconds).
4.Press A to exit the setting mode.
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About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on, whenever you position
your wrist as described below in any mode.
Moving the watch to a position that is parallel to the ground and then tilting it towards
you more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Parallel to
ground
More than
40°
Warning!
••
••
• Always make sure you are in a safe place whenever you are reading the
display of the watch using the auto light switch. Be especially careful when
running or engaged in any other activity that can result in accident or injury.
Also take care that sudden illumination by the auto light switch does not
startle or distract others around you.
••
••
• When you are wearing the watch, make sure that its auto light switch is turned
off before riding a bicycle or operating a motorcycle or any other motor
vehicle. Sudden and unintended operation of the auto light switch can create a
distraction, which can result in a traffic accident and serious personal injury.
To turn the auto light switch on and off
In the Timekeeping Mode, hold down B for about three seconds to toggle the auto
light switch on (auto light switch on indicator displayed) and off (auto light switch on
indicator not displayed).
• The auto light switch on indicator remains in all modes while the auto light switch is
turned on.
• In order to protect against running down the battery, the auto light switch will turn off
automatically approximately six hours after you turn it on. Repeat the above
procedure to turn the auto light switch back on if you want.