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USER’S GUIDE 2481
2
Countdown Timer
The countdown timer can be set within a range of
1 minute to 24 hours. 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.
• Countdown timer functions are available in the
Countdown Timer Mode, which you enter by
pressing C.
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.
Hour
Minutes
Seconds
To turn auto-repeat on and off
1.In the Countdown Timer Mode, hold down A until
the hours setting of the countdown start time starts
to flash, which indicates the setting screen.
2.Press B to toggle auto-repeat on ( displayed)
and off ( not displayed).
• Note that pressing B in the above operation also
turns on the backlight.
• 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
A.
• The auto-repeat indicator appears in the
Countdown Timer Mode only.
Auto-repeat indicato
r
• 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 A. This returns the countdown time to its starting value.
To set the countdown start time
1.In the Countdown Timer Mode, hold down A until
the hours setting of the countdown start time starts
to flash, which indicates the setting screen.
2.Press C to move the flashing between the hours
and minutes settings.
3.While a setting is flashing, use D to change it.
• To set the starting value of the countdown time to
24 hours, set
0:00
.
4.Press A to exit the setting screen.
To measure times with the stopwatch
Elapsed time
Start Stop Re-start Stop Clear
Start
Split
(SPL displayed)
Split release Stop Clear
Start
Split Stop Split release Clear
Split time
Two Finishes
First runner
finishes.
Display time of
first runner.
Second runner
finishes.
Display time of
second runner.
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.
• Exiting the Stopwatch Mode while a split time is
frozen on the display clears the split time and
returns to elapsed time measurement.
• All of the operations in this section are performed in
the Stopwatch Mode, which you enter by pressing
C.
1/100 second
Hour
Minutes
Seconds
Dual Time
The Dual Time Mode lets you keep track of time in a different time zone.
• In the Dual Time Mode, the seconds count is synchronized with the seconds
count of the Timekeeping Mode.
To set the Dual Time
1.Press C to enter the Dual Time Mode.
2.In the Dual Time Mode, hold down A until the
hour setting starts to flash, which indicates the
setting screen.
3.Press C to change the selection in the following
sequence.
Hour Minutes
4.Press D to increase the setting.
5.Press A to exit the setting screen.
Hour : Minutes Seconds
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.
Auto return features
• If you leave a screen with flashing digits for two or three minutes without
performing any operation, the watch automatically saves any settings you
have made up to that point and exits the setting screen.
Data and Setting Scrolling
The D button is used to scroll through setting screen data on the display.
Holding down this button during a scroll operation scrolls through the data at
high speed.
Backlight Precautions
The backlight uses an EL (electro-luminescent) panel that causes the entire
display to glow for easy reading in the dark. In any mode, press B to
illuminate the display for about one second.
• The EL panel that provides illumination loses power after very long use.
• The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.
• The watch may emit an audible sound whenever the display is illuminated.
This is due to vibration of the EL panel used for illumination, and does not
indicate malfunction.
• The backlight automatically turns off whenever an alarm sounds.
• Frequent use of the backlight shortens the battery life.