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COUNTDOWN ALARM MODE
The countdown timer can be set within a range
of 1 second to 24 hours. When the countdown
reaches zero, an alarm sounds.
• You can also select auto-repeat, which
automatically restarts the countdown from the
original value you set whenever zero is
reached.
Setting the Countdown Time
1. In the Countdown Alarm Mode, hold down
A until the hours digit of the countdown time
starts to flash.
2. Press M to move the flashing in the sequence shown below to select
other settings.
SecondsHours Minutes
3. While hours, minutes, or seconds digits are flashing, press C to increase
the setting.
• To set the starting value of the countdown time to 24 hours, set
0:00 00.
4. Press A to return to the countdown alarm display screen.
Using the Countdown Timer
Press C while in the Countdown Alarm 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 C while a countdown operation is in progress to pause it. Press
C again to resume the countdown.
• To completely stop a countdown operation, first pause it (by pressing
C), and then press A. This returns the countdown time to its starting
value.
Turning Auto-repeat On and Off
1. In the Countdown Alarm Mode, hold down
A until the hours digit of the countdown time
starts to flash.
2. Press B to turn auto-repeat on (AUTO
displayed) and off (AUTO not displayed).
3. Press A to return to the countdown alarm
display screen.
• When the end of the countdown is reached and auto-repeat is turned
on, the alarm sounds, but the countdown starts again automatically
whenever the countdown reaches zero. You can stop timing by
pressing C, and manually reset to the starting countdown time by
pressing A.
• Normally, an alarm tone sounds for 10 seconds when the end of the
countdown is reached. If you use auto-repeat with start time of 10
seconds or less, the watch beeps once.
STOPWATCH MODE
The Stopwatch Mode lets you measure elapsed
time, split times, and two finishes. The range of
the stopwatch is 23 hours, 59 minutes, 59.99
seconds.
M
A
B
C
Mode indicator
1/10 second
Hours : Minutes
Seconds
M
A
B
C
AUTO
M
A
B
C
1/100 second
Hours : Minutes
Mode indicator
Seconds
First runner
finishes.
Second runner finishes.
Record time of first
runner.
Record time of
second runner.
(a) Elapsed Time
CC C C A
Start Stop Re-start Stop Clear
(b) Split Time
CA A C A
Start Split Split release Stop Clear
(c) Two Finishes
CA C A A
Start Split Stop Split release Clear
J J J J
J J J J
J J J J
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.
Turning 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 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 in any
mode.
• See “Backlight Precautions” for other important information about using
the backlight.
Moving the watch to a position that is parallel to the ground and then
tilting it towards you more than 40 degrees causes the backlight to light.
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 danger of
accidents, especially in locations where there might be vehicular
or pedestrian traffic. 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 traffic accident and serious personal
injury.
• 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.
To turn the auto light switch on and off
In the Timekeeping Mode, hold down B for two seconds to turn the auto
light switch on (
AUTO
displayed) and off (
AUTO
not displayed).
• In order to protect against running down the battery, the auto light switch
is automatically turned off approximately six hours after you turn it on.
Repeat the above procedure to turn the auto light switch back on if you
want.
• The auto light switch on indicator (
AUTO
) is on the display in all modes
while the auto light switch is turned on.
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.
Graphic Area and Text Area
• The graphic area shows the passage of
minutes in the Timekeeping, Dive Time
Measurement, Site, Countdown Alarm, and
Stopwatch Modes, and the Log Data screen.
A segment appears in the graphic area each
time five minutes pass.
• The text area can show up to four characters,
so longer text scrolls continually from right to
left.
M
A
B
C
P
AUTO
Auto light switch
on indicator
Parallel to
ground
More
than
40
°
M
A
B
C
P
Graphic area
Text area