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Operation Guide 3028
Current time in the zone
of the selected city code
Timekeeping Mode time
City code
World Time
World Time shows the current time in 48 cities (29 time
zones) around the world.
• When you enter the World Time Mode, the data you
were viewing when you last exited the mode appears
first.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
To view the time for another city code
In the World Time Mode, press D to scroll eastward
through city codes.
• For full information about city codes, see the “City Code
Table”.
• If the current time for a city is wrong, check your
Timekeeping Mode time and Home city code settings
and make necessary changes.
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 for about one second to toggle between
Daylight Saving Time (
displayed) and Standard
Time (
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 the
currently displayed city code. Other city codes are not
affected.
DST indicator
Hourly time signal
on indicator
Alarm on indicator
Alarm time
(Hour : Minutes)
Timekeeping
Mode time
Alarm
When the Daily Alarm is turned on, the alarm sounds for
10 seconds at the preset time each day. When the Hourly
Time Signal is turned on, the watch beeps every hour on
the hour.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
To set the alarm time
1.Hold down A while in the Alarm Mode until the hour
digits start to flash on the display. The hour digits flash
because they are selected.
• This operation automatically turns on the alarm.
2. Press C to change the selection in the following sequence.
Hour
Minutes
3. While a setting is flashing, use D and B to change it as described below.
4. After you set the alarm time, press A to return to the Alarm Mode.
To stop the alarm tone after it starts to sound
Press any button.
To switch the Daily Alarm and Hourly Time Signal on and off
Press D while in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the following sequence.
Hourly Time
Signal only
Daily Alarm
only
Both off
Both on
To test the alarm
Hold down D while in the Alarm Mode to sound the alarm.
Auto li
g
ht switch indicator
Illumination
This watch has an EL (electro-luminescent) panel that
causes the entire display to glow for easy reading in the
dark. The watch’s auto light switch turns on illumination
automatically when you angle the watch towards your
face for reading.
• The auto light switch must be turned on (indicated by
the auto light switch indicator) for it to operate.
• See “Illumination Precautions” for more important
information.
To illuminate the display
In any mode, press B to turn on illumination.
• The above operation turns on illumination regardless of the current auto light switch
setting.
Parallel to ground
More than 40
°
About the Auto Light Switch
While the auto light switch is enabled, illumination turns 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 at more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
Warning!
• Always make sure you are in a safe place whenever you are reading 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 on 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 indicator displayed) or off (auto light switch indicator
not displayed).
• The auto light switch indicator is on the display in all modes while the auto light
switch is turned on.
• In order to protect against running down the battery, the auto light switch turns off
automatically approximately six hours after you turn it on.
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.
Graphic Areas
The following describes the information indicated by the three graphic areas in each
mode.
Graphic area B
Graphic area A Graphic area C
Mode
Timekeeping
Stopwatch
Preset Timer
Countdown
Timer
World Time
Alarm
Graphic Area A
Timekeeping Mode
minutes
Stopwatch Time
minutes
Preset Time minutes
Countdown Time
minutes
World Time Mode
minutes
No indication
Graphic Area C
Timekeeping Mode
10-seconds
Stopwatch Time
10-seconds
Preset Time
10-seconds
Countdown Time
10-seconds
World Time Mode
10-seconds
No indication
Graphic Area B
Timekeeping Mode
seconds
Stopwatch Time
1/20-second
Preset Time
1/20-second
Countdown Time 1/
20-second
World Time Mode
seconds
No indication
MUTE indicator
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,
the Hourly Time Signal, the countdown timer alarm, and
the event time alarm 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 (
not displayed) and off ( displayed).
• Holding down C to turn the button operation tone on or off also causes the watch’s
current mode to change.
•
is displayed in all modes when the button operation tone is turned off.
Scrolling
The B and D 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. This is true except when the countdown timer number
is flashing on the Countdown Timer Mode screen.
Auto Return Features
• If you leave the watch in the Alarm Mode for two or three minutes without performing
any operation, it changes to the Timekeeping Mode automatically.
• If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch exits the setting screen automatically.
Timekeeping
• Resetting the seconds to
while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
without changing the minutes.
• The year can be set in the range of 2000 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s battery replaced.
Screen To do this:
Change the hour and minutes
Do this:
Use D (+) and B (–).
• With the 12-hour format, set the time
correctly as a.m. or p.m. (P indicator).