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2016-4
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.
M
A
B
C
AUTO
• 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.
M
A
B
C
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.
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
M
A
B
C
P
AUTO
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.
Auto light switch
on indicator
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.
Parallel to
ground
More
than
40
°
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.
M
A
B
C
P
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.
Auto Return Feature
• After you perform an operation in any mode (except for the backlight
operation), pressing M returns to the Timekeeping Mode.
• If you leave a screen with flashing digits or cursor on the display for two
or three minutes without performing any operation, the watch automatically
saves anything you have input up to that point and exits the setting screen.
• If you leave the watch in Site and Identification Modes for about one
hour without performing any operation, it automatically changes to the
Timekeeping Mode.
Data and Setting Scrolling
The B and C buttons are used in various modes and screens to scroll
through data on the display. In most cases, holding down these buttons
during a scroll operation scrolls through the data at high speed.
12-hour/24-hour Timekeeping Formats
The 12-hour/24-hour timekeeping format you select in the Timekeeping
Mode is also applied in the Dive Time Measurement, Site, and Alarm Modes.
• With the 12-hour format, the P (PM) indicator appears to the left of the
hour digits for times in the range of noon to 11:59 pm. No indicator is
shown from midnight to 11:59 am.
• With the 24-hour format, times are indicated in the range of 00:00 to
23:59, with 24 indicator.
Timekeeping Mode Notes
• The day of the week is automatically displayed in accordance with the
year, month, and day settings.
• The year can be set in the range of 1995 to 2039.
• The watch’s built-in full automatic calendar automatically make allowances
for different month lengths and leap years. Once you set the date, there
should be no reason to change it except after the replacement of the
watch’s battery.
Graphic area
Text area
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