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To select the alarm type
1. In the Alarm Mode, press D to display the alarm
Alarm on indicator
screen.
2. Press A to cycle through the available alarm settings
shown below.
• The alarm on indicator and the snooze alarm on
Snooze alarm on indicator
indicator are shown on the display in all modes while
these functions are turned on.
• The snooze alarm on indicator flashes during the 5-minute intervals between alarms.
• Displaying the Alarm Mode setting screen automatically changes the alarm type to
single alarm.
• Changing the Timekeeping Mode setting screen during a 5-minute interval between
snooze alarms stops the current snooze alarm operation (but snooze alarm remains
as the alarm type setting).
• If a snooze alarm time is reached while you are setting the current time in the
Timekeeping Mode, the alarm sounds only once. Subsequent snooze alarm
operations are not performed.
Stopping a Snooze Alarm Operation
After a snooze alarm time is reached, you can perform the following steps during any
5-minute interval between alarms to stop the snooze alarm operation.
To stop a Snooze Alarm Operation
1. While in the Alarm Mode, press D to display the alarm screen.
2. Next, press A to turn off the alarm or to select the single alarm.
• Note that this also changes the alarm type setting. If you want to use the snooze
alarm again, you must re-select it as the alarm type. See "To select the alarm type"
for more information.
To test the alarm
• In the Alarm Mode, hold down D to sound the alarm.
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, press D to display the Hourly Time Signal screen.
2. Press A to turn it on and off.
Indicates Hourly Time Signal is on.
Indicates Hourly Time Signal is off.
• The Hourly Time Signal on indicator is shown on the display in all modes while this
function is turned on.
Countdown Timer
The countdown timer can be set within a range of
Hours
Minutes
one 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
Seconds
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.
• The countdown timer measurement operation continues even if you exit the
Countdown Timer Mode.
• 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 increase it.
• To set the starting value of the countdown time to
24 hours, set
4. Press A to exit the setting screen.
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 (
off (
not displayed).
• Note that pressing B in the above operation also
turns on the backlight.
3. Press A to exit the setting screen.
• When the end of the countdown is reached while
Auto-repeat indicator
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.
USER'S GUIDE 2684
Single
Snooze
alarm on
alarm on
0:00
.
displayed) and
Stopwatch
The stopwatch lets you measure elapsed time, split times,
1/100 second
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.
Hours
Seconds
• All of the operations in this section are performed in the
Minutes
Stopwatch Mode, which you enter by pressing C.
To measure times with the stopwatch
Elapsed time
Start
Stop
Re-start
Split time
Start
Split
Split release
(SPL displayed)
Two Finishes
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Display time of
first runner.
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.
Hour : Minutes
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 move the flashing between the hour and
minutes settings.
4. While a setting is flashing, use D to increase it.
5. Press A to exit the setting screen.
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.
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 LED (light-emitting diode) and a light guide panel that cause
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 illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
• The backlight automatically stops illuminating whenever an alarm sounds.
• Frequent use of the backlight shortens the battery life.
Stop
Clear
Stop
Clear
Split release
Clear
Display time of
second runner.
2
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