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2422-4
3. Press C to move the flashing in the sequence shown below to select
other settings.
On/OffHour Minutes
4. While hour or minute’s digits are flashing, use D (+) and B (–) to
change them.
• While the On/Off setting is flashing, press D to toggle the alarm on
(ON) and off (OFF).
• 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.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
To turn an alarm on and off
1. In the Alarm Mode, use D to select the alarm you want to turn on or
off.
2. Hold down A until the hour digits of the alarm time start to flash,
which indicates the setting screen.
3. Press C twice so the ON or OFF setting is flashing.
4. Press D to toggle the alarm on (ON) and off (OFF).
5. Press A to exit the setting screen.
• The alarm on indicator ( ) is on the alarm screen when the alarm
is turned on.
• In other modes (besides the Alarm Mode), the indicator is on the
display when any of the alarms is on.
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use D to select the
Hourly Time Signal.
2. Hold down A until the ON indicator starts
to flash on the display in place of SIG,
which indicates the setting screen.
3. Press D to toggle the Hourly Time Signal
on (ON) and off (OFF).
4. Press A to exit the setting screen.
• The Hourly Time Signal on indicator ( )
is on the display while the Hourly Time
Signal is turned on.
Hourly Time Signal
on indicator
COUNTDOWN TIMER
You can set the countdown timer within a
range of 1 second to 24 hours. An alarm
sounds when the countdown reaches zero.
• You can also select auto-repeat, which
automatically restarts the countdown
whenever zero is reached.
• All of the operations in this section can be
performed in the Countdown Timer Mode,
which you enter by pressing C.
Seconds
Hours : Minutes
Mode indicator
1/10 Second
To set the countdown start time
1. In the Countdown Timer Mode, hold down A until the hour digit of the
countdown time starts to flash, which indicates the setting screen.
2. Press C to move the flashing in the sequence shown below to select
other settings.
SecondsHours Minutes
3. While hour, minute’s, or second’s digits are flashing, press D to
increase the setting.
• To specify a countdown start time of 24 hours, set 0:00 00.
4. 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 while 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 start time
after the alarm stops.
• Pressing D while a countdown operation is in progress pauses the
countdown. Press D again to resume the countdown.
• To cancel a countdown operation, first pause it (by pressing D), and
then press A. This returns the countdown to its start time.
To turn auto-repeat on and off
1. In the Countdown Timer Mode, hold down
A until the hour digit of the countdown
time starts to flash, which indicates the
setting screen.
2. Press B to toggle auto-repeat on (AUTO
displayed) and off (OFF displayed).
3. Press A to exit the setting screen.
• When the end of the countdown is reached while auto-repeat is
turned on, the alarm sounds and the countdown restarts
automatically from the start time. You can stop timing by pressing
D and then pressing A to reset to the start time.
• Normally an alarm tone sounds for 10 seconds when the end of the
countdown is reached. If you use auto-repeat with a start time of 10
seconds or less, the watch beeps only once.
• Frequent use of auto-repeat and the alarm can run down battery
power.
STOPWATCH
The stopwatch lets you measure elapsed
time, split times, and two finishes.
• The display range of the stopwatch is 23
hours, 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
Mode indicator
Hours
To measure times with the stopwatch
Elapsed Time
DD D D A
Start Stop Re-start Stop Clear
Split Time
DA A D A
Start Split Split release Stop Clear
Two Finishes
DA D A A
Start Split Stop Split release Clear
J J J J
J J J J
J J J J
First runner
finishes.
Display time
of first runner.
Second runner
finishes.
Display time of
second runner.
BACKLIGHT
The backlight uses an EL (electro-luminescent)
panel that causes the entire display to glow for
easy reading in the dark.
The watch’s auto light switch automatically
turns on the backlight 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 “Backlight Precautions” for other
important information about using the
backlight.
To turn on the backlight manually
In any mode, press B to illuminate the display for about two seconds.
• The above operation turns on the backlight regardless of the current
auto light switch on/off setting.
About the Auto Light Switch
Turning on the auto light switch causes the backlight to turn on for about
two seconds whenever you position your wrist as described below. Note
that this watch features a “Full Auto EL Light,” so the auto light switch
operates only when available light is below a certain level. It does not
turn on the backlight under bright light.
• Be sure to wear the watch on the outside of your left wrist while using
the auto light switch.
Auto light switch
on indicator
AUTO
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