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Operation Guide 3488
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To turn the daily alarm and hourly time signal on and off
Press B while in the Alarm Mode to change the status of the daily alarm and hourly
time signal in the following sequence.
B BB
Both OFF
Daily Alarm
Only
Hourly Time
Signal Only
Both ON
B
x 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.
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3. Press D to increase the selected digits and B to decrease them. Holding down
either button changes the selection at high speed.
x The format (12-hour and 24-hour) of the alarm time matches the format you
select for regular timekeeping.
x When setting the alarm time using the 12-hour format, take care to set the time
correctly as morning (no indicator) or afternoon (P).
4. After you set the alarm time, press A to return to the Alarm Mode.
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Alarm Mode
When the Daily Alarm is switched on, the alarm
sounds for 20 seconds at the preset time each day.
Press any button to stop the alarm after it starts
to sound. When the Hourly Time Signal is on, the
watch beeps every hour on the hour.
To set the alarm time
1. Hold down A until the hour digits start to flash
on the display. The hour digits flash because they
are selected.
xThis operation will switch the Daily Alarm on
automatically.
2. Press C to change the selection in the following
sequence.
Hour
Minutes
C
Minutes
Hour
Hourly time signal on indicator
Current time
Alarm on indicator
Mode indicator
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4. Press A to move the flashing to the target time ON/OFF setting.
5. Press D or B to toggle the target time on and off.
6. Press A to return to the Stopwatch Mode.
Important!
The alarm will not sound if you do not turn on the target time.
x Press A, C or L to stop the alarm after it starts to sound.
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To set the Target Time and to turn it on and off
1. While the display is showing all zeros in the
Stopwatch Mode, hold down A, and the hour
digit of the target time starts to flash because it
is selected.
2. Press C to change the selection in the following
sequence.
CC
Hour Minutes Seconds
C
3. Press D to increase the selected number or B to
decrease it. Holding down either button changes
the selection at high speed.
x Press D and B at the same time to clear the
setting to 0:00' 00".
Minutes
Hour
Mode indicator
Target time on indicator
Seconds
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About the Auto-Start function
With the Auto-Start function, the watch performs a 5-second countdown. When the
countdown reaches zero, stopwatch operation starts automatically. During the final
three seconds of the countdown, a beeper sounds with each second.
To turn the Auto-Start function on and off
While the display is showing all zeros in the Stopwatch Mode, press B to toggle it
on and off.
x The indicator A.START appears and 05 is shown in the upper display while Auto-
Start is turned on. The A.START indicator is not shown and the upper part of the
display shows the current time when Auto-Start is turned off.
About the Target Time function
With the Target Time function, an alarm sounds for ten seconds whenever the time
being kept by the stopwatch reaches a target time you have preset.
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(a) Elapsed time measurement
D D D D B
Start Stop Resume Stop Reset
(b) Split time measurement
D B B D B
Start Split Split release Stop Reset
(c) Split time and two finishes
D B D B B
Start Split
First runner
finishes.
Stop
Second runner
finishes.
Record time of
first runner.
Split release
Record time of
second runner.
Reset
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Stopwatch Mode
The Stopwatch Mode lets you measure elapsed
time, split times, and two finishes. The range of the
stopwatch is 23 hour, 59 minutes, 59.99 seconds.
You can also have an alarm sound when a target
time is reached. The Stopwatch Mode also features
an Auto-Start function.
1/100 Seconds
Current time
Target time
on indicator
Minutes
Seconds
Mode indicator
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To switch auto repeat timing and the progress beeper on and off
1. Hold down A while in the Countdown Timer Mode. The hour digits flash on the
display because they are selected. Press A again to move the flashing to the auto
repeat ON/OFF setting.
2. Press D or B to toggle auto repeat on (
) and off.
3. Press C to move the flashing to the progress beeper ON/OFF setting.
4. Press D or B to toggle the progress beeper on (
) and off.
5. Press A to return to the Countdown Timer Mode.
x When the end of the countdown is reached while auto repeat is on, the alarm
sounds, but the countdown restarts from the beginning without stopping. You
can stop the countdown by pressing D and manually reset to the start time by
pressing B.
x If you set a starting time of 10 seconds or less and have Auto Repeat turned on,
the countdown timer tone (which normally sounds for 10 seconds) sounds for only
one second.
x When the progress beeper is turned on, the watch beeps as the countdown time
passes the 10, 5, 4, 3, 2, and 1-minute marks, and the 50, 40, 30, 20, 10, 5, 4, 3, 2,
and 1-second marks.
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3. Press D to increase the selected number or B to decrease it. Holding down
either button changes the selection at high speed.
x Press D and B at the same time to clear the starting time to 0:00' 00".
x To set the starting value of the countdown time to 24 hours, set 0:00' 00".
4. After you set the countdown start time, press A twice to return to the Countdown
Timer Mode.
To use the countdown timer
1. Press D while in the Countdown Timer Mode to start the countdown timer.
2. Press D again to stop the countdown timer.
x You can resume countdown timer operation by pressing D.
3. Stop the countdown timer and then press B to reset the countdown time to its
starting value.
x When the end of the countdown is reached and auto repeat timing is off, the
alarm sounds for 10 seconds or until you stop the alarm by pressing any button.
Countdown timing stops and the countdown time is automatically reset to its
starting value after the alarm stops.
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