Operation Guide 3725 3726
3
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use
B
and
D
to display the
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change in the bottom
dial.
•
Pressing
A
in the World Time Mode causes the
applicable city code to appear in the bottom dial for
about one second.
2. Hold down
A
to toggle Daylight Saving Time (DST
indicator displayed in the bottom dial) and Standard
Time (DST indicator not displayed).
DST indicator
•
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.
•
Note that you cannot switch between Standard Time and Daylight Saving Time while
GMT
is selected as the city code.
•
The DST indicator will appear 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.
Alarms
You can set five independent daily alarms. When an alarm
is turned on, the alarm tone sounds when the alarm time
is reached.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
•
The alarm number (
A1
through
A5
) indicates an alarm
screen.
00
is shown for the alarm number when the
Hourly Time Signal screen is displayed.
•
All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing
C
.
Mode indicator
Alarm number
Alarm time
(Hour : Minutes)
To set an alarm time
1. In the Alarm Mode, use
D
to scroll through the alarm
numbers until the one whose time you want to set is
displayed.
2. Hold down
A
until the hour digits of the alarm time
start to flash in the bottom dial, which indicates the
setting screen.
•
This 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. (
indicator on the bottom dial).
5. Press
A
to exit the setting screen.
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A1
A2
A3
00
A5
A4
Alarm on indicator
Alarm Operation
The alarm sounds in all modes at the preset time for about 10 seconds, or until you
stop it by pressing any button.
To test the alarm
In the Alarm Mode, hold down
B
to sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, use
D
to select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to set is selected, press
B
to
turn it on and off. The current setting is indicated by following indicators.
Indicates alarm is ON.
Indicates Hourly Time Signal is ON.
•
The alarm on indicator (
) and the Hourly Time Signal on indicator (
) remain
displayed in all modes while these functions are turned on.
•
The alarm on indicator appears when any one of the alarms is turned on.
Countdown Timer
You can set the countdown timer within a range of one to
60 minutes. An alarm sounds when the countdown
reaches zero.
•
You can also select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
•
The left display window normally shows the 1/10 second
count. When auto-repeat is turned on, however, it shows
the current repeat count.
•
All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C
.
Minutes
Seconds
1/10 second
Mode indicator
To set the countdown start time
1. While the countdown start time is displayed in the bottom dial 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. Press
C
to toggle the flashing contents of the bottom dial between the two settings
shown below.
3. While a setting is flashing, use
D
(+) and
B
(–) to change it.
•
See “To turn auto-repeat on and off” below for details on the auto-repeat setting.
4. Press
A
to exit the setting screen.
Minutes
Auto-
repeat
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 and auto-repeat is turned off, 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
B
. This returns the countdown time to its starting value.
To turn auto-repeat on and off
1. While the countdown start time is displayed in the
bottom dial in the Countdown Timer Mode, hold down
A
until the current countdown start time starts to flash
in the bottom dial, which indicates the setting screen.
2. Press
C
until the auto-repeat setting is flashing in the
bottom dial.
3. Press
D
to turn auto-repeat on (
displayed) and
off (
displayed).
4. Press
A
to exit the setting screen.
•
When auto-repeat is turned on, the alarm sounds and
countdown starts again whenever the countdown
reaches zero. You can stop the countdown by pressing
D
, and manually reset to the countdown start time by
pressing
B
.
•
Auto-repeat timing repeats up to nine times.
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Number of repeats
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
•
The display range of the stopwatch is 99 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
in the bottom dial 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
.
1/100 second
Mode indicator
Minutes Seconds
D
Start
Stop
Elapsed Time
➤
Re-start
Clear
D
➤
Stop
D
➤
D
➤
B
Split Time
D
Start
Split
➤
Split release
Clear
B
➤
Stop
B
➤
D
➤
B
Two Finishes
D
Start
Split
➤
Stop
Clear
B
➤
Split release
D
➤
B
➤
B
First runner
finishes.
Display time of
first runner.
Second runner
finishes.
Display time of
second runner.
To measure times with the stopwatch
Illumination
An LED (light-emitting diode) and light guide panel
illuminate the digital display areas for easy reading in the
dark. The watch’s auto light switch automatically
illuminates the digital display areas when you angle the
watch towards your face.
•
The auto light switch must be turned on (indicated by
the auto light switch indicator) for it to operate.
•
See “Illumination Precautions” for other important
information.
To turn on illumination manually
In any mode, press
L
to illuminate the digital display areas.
•
You can specify 1.5 seconds or 2.5 seconds as the
illumination duration. See “To set the current digital time
and date manually” for more information.
•
The above operation turns on illumination regardless of
the current auto light switch setting.
Auto light switch
indicator
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. Note that this watch features a “Full Auto
Light,” so the auto light switch operates only when available light is below a certain
level. It does not illuminate the digital display areas under bright light.
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 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 surprise 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.