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Operation Guide 3242
The backlight may not illuminate if the face of the watch is more than 15 degrees
off parallel to the left or right. Make sure that the back of your hand is parallel to the
ground.
Parallel to ground
More than 15 degrees
too high
Static electricity or magnetic force can interfere with proper operation of the auto
backlight function. If the auto backlight does not illuminate, try moving the watch
back to the starting position (parallel with the ground) and then tilt it back toward you
again. If this does not work, drop your arm all the way down so it hangs at your side,
and then bring it back up again.
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The auto light switch indicator is shown on the display in all modes while the auto
light switch function is on.
In order to protect against running down the battery, the auto light switch function is
automatically turned off approximately three hours after you turn it on. Repeat the
above procedure to turn the auto light switch function back on if you want.
Pressing L while in the Timekeeping Mode illuminates the display, regardless of
the auto light switch's on/off setting.
Caution
The backlight of this watch employs an electro-luminescent (EL) light, which loses its
illuminating power after very long term use.
Frequent use of the backlight shortens the battery life.
The watch emits an audible sound whenever the display is illuminated. This is
because the EL light vibrates slightly when lit. It does not indicate malfunction of
the watch.
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Countdown Alarm Mode
The countdown alarm can be set within a range of
Progress beeper on indicator
1 second to 24 hours. When the countdown reaches
Auto repeat on indicator
zero, an alarm sounds for 10 seconds or until you press
any button.
Current time
To set the countdown start time
1.
Hold down
The hours digits fl ash on the display because they
are selected.
C to change the selection in the following
2.
Press
sequence.
Mode
Hour
Seconds
indicator
Minutes
1/10 Seconds
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To switch auto repeat timing and the progress beeper on and off
A while in the Countdown Alarm Mode. The hour digits fl ash on the
1.
Hold down
display because they are selected. Press A again to move the fl ashing to the auto
repeat ON/OFF setting.
D or B to toggle auto repeat on (
2.
Press
C to move the fl ashing to the progress beeper ON/OFF setting.
3.
Press
D or B to toggle the progress beeper on (
4.
Press
A to return to the Countdown Alarm Mode.
5.
Press
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.
If you set a starting time of 10 seconds or less and have Auto Repeat turned on,
the countdown alarm tone (which normally sounds for 10 seconds) sounds for only
one second.
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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(a) Elapsed time measurement
D
D
D
Start
Stop
Re-start
(b) Split time measurement
D
B
B
Start
Split
Split release
(c) Split time and two fi nishes
D
B
D
Start
Split
Stop
First runner
Second runner
fi nishes.
fi nishes.
Record time of
fi rst runner.
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More than 15 degrees
too low
A while in the Countdown Alarm Mode.
C
C
Minutes
Seconds
C
) and off.
) and off.
D
B
Stop
Reset
D
B
Stop
Reset
B
B
Split release
Reset
Record time of
second runner.
Under certain conditions the backlight may not light until about one second or less
after turning the face of the watch towards you. This does not necessarily indicate
malfunction of the backlight.
To switch the auto light switch function on and off
In the Timekeeping Mode, hold down B for one or two seconds to turn the auto light
switch function on and off.
ON
Auto light switch indicator
Hold down B.
Warning!
Never try to read your watch when mountain climbing or hiking in areas that
are dark or in areas with poor footing. Doing so is dangerous and can result in
serious personal injury.
Never try to read your watch when running where there is the danger of
accidents, especially in locations where there might be vehicular or pedestrian
traffi c. Doing so is dangerous and can result in serious personal injury.
Never try to read your watch when riding on a bicycle or when operating a
motorcycle or any other motor vehicle. Doing so is dangerous and can result
in a traffi c accident and serious personal injury.
When you are wearing the watch, make sure that its auto light switch function
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 traffi c accident and serious personal injury.
D to increase the selected number or B to decrease it. Holding down either
3.
Press
button changes the selection at high speed.
Press D and B at the same time to clear the starting time to 0:00' 00".
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
Alarm Mode.
To use the countdown alarm
D while in the Countdown Alarm Mode to start the countdown alarm.
1.
Press
D again to stop the countdown alarm.
2.
Press
You can resume countdown alarm operation by pressing D.
3.
Stop the countdown alarm and then press
starting value.
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.
Stopwatch Mode
The Stopwatch Mode lets you measure elapsed
Target time on indicator
time, split times, and two fi nishes. The range of the
stopwatch is 23 hour, 59 minutes, 59.99 seconds. You
Current time
can also have an alarm sound when a target time is
reached. The Stopwatch Mode also features an Auto-
Start function.
Mode
Seconds
indicator
Minutes
1/100 Seconds
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 fi nal
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.
The indicator AUTO-ST appears and 05 is shown in the upper display while Auto-
Start is turned on. The AUTO-ST 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.
OFF
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A twice to return to the Countdown
B to reset the countdown time to its
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