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Operation Guide 3797
Alarm
When the daily alarm is turned on, the alarm sounds
when the alarm time is reached.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing A.
To set an alarm time
1.In the Alarm Mode, press B so the hour digits of the
current alarm time start to flash. This is the setting
screen.
• This operation automatically turns on the alarm.
2.Press C to change (advance) the hour setting.
• With the 12-hour format, set the time correctly as a.m.
(
A
) or p.m. (
P
).
3.Press B to move the flashing to the minute digits.
4.Press C to change (advance) the minute setting.
5. After setting the alarm time minute digits, press B to exit the setting screen.
• You can also press A to exit the setting screen while any other setting is flashing.
Alarm Operation
The alarm tone sounds at the preset time for 20 seconds, regardless of the mode the
watch is in.
• Alarm operations are performed in accordance with the Timekeeping Mode time.
To stop the alarm tone after it starts to sound
Press any button.
To test the alarm
In the Alarm Mode, hold down C to sound the alarm.
To turn an alarm on and off
In the Alarm Mode, press C to toggle the alarm on (alarm time displayed) and off
(
OFF
displayed).
• The alarm on indicator is displayed in all modes while the alarm is on.
Alarm on indicator
Press .
Alarm On Screen Alarm Off Screen
Timekeeping
Mode time
Mode indicator
Alarm time
(Hour : Minutes)
AM indicator
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 seconds.
• After the elapsed time reaches one hour, the display changes to show the hours,
minutes, and seconds in 1-second units.
Timekeeping Mode time
Mode
indicator
Seconds
Times greater
than one hour
Minutes 1/100 second
Minutes
Hours 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 A.
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 Clear
Split Time
Two Finishes
First runner
finishes.
Display time of
first runner.
Second runner
finishes.
Display time of
second runner.
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 Feature
• If you leave the watch in the Alarm Mode for two or three minutes without performing
any operation, it automatically returns to the Timekeeping Mode.
• If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch automatically exits the setting screen.
Scrolling
The C button is used in various modes and setting screens to scroll through data on
the display. In most cases, holding down this button during a scroll operation scrolls
through the data at high speed.
Timekeeping
• Resetting the seconds to
00
while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to
00
without changing the minutes.
• With the 12-hour format, the PM indicator appears on the display for times in the
range of noon to 11:59 p.m. and the AM indicator appears for times in the range of
midnight to 11:59 a.m.
• With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without
any indicator.
• The year can be set in the range of 1997 to 2099.
• The watch’s built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch’s battery replaced.