1
Operation Guide 2898
MA0409-EA
About This Manual
· Button operations are indicated using the letters shown
in the illustration.
· Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the "Reference" section.
(Light)
Timekeeping Mode
Alarm Mode
Stopwatch Mode
Dual Time Mode
Press
.
General Guide
· Press B to change from mode to mode.
· In any mode, press L to illuminate the display.
Day of week
Seconds
Hour : Minutes
PM indicator
Month Day
To change this setting
Seconds
Hour, Minutes, Year, Month,
Day, Day of week
Perform this button operation
Press C to reset to 00.
Press C to increase the setting.
Holding down C changes the setting at high speed.
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
To set the time and date
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press B to move the flashing in the sequence shown
below to select other settings.
Seconds
Hour
Minutes
Year
Month
Day of week
Day
3. When the setting you want to change is flashing, press C to change it as
described below.
· Pressing C while the seconds are in the range of 30 to 59 resets them to 00 and
adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.
4. Press A to exit the setting screen.
· The year can be set in the range of 2000 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.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press C to toggle between 12-hour timekeeping and
24-hour timekeeping.
· 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 p.m. and no indicator appears to the left of the
hour digits 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. The 24
indicator is on the display while 24-hour format is selected.
· The P and 24 indicators are not displayed with the Timekeeping Mode time on the
Alarm Mode and Dual Time Mode screens.
· The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Alarm time
(Hour : Minutes)
Timekeeping Mode time
(Hour : Minutes)
Mode indicator
Alarm
When the daily alarm is turned on, the alarm tone sounds
when the alarm time is reached.
You can also turn on an Hourly Time Signal that causes
the watch to beep twice every hour on the hour.
· All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing B.
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds,
regardless of the mode the watch is in.
To set an alarm time
1. In the Alarm Mode, hold down A until the hour setting
starts to flash, which indicates the setting screen.
· This operation automatically turns on the alarm.
2. Press B to move the flashing between the hour and
minutes.
3. While a setting is flashing, use C to increase it.
Holding down C changes the setting at high speed.
· With the 12-hour format, set the time correctly as a.m.
(no indicator) or p.m. (P indicator).
4. Press A to exit the setting screen.
To stop the alarm tone after it starts to sound
Press any button.
To turn the Daily Alarm and Hourly Time Signal on and off
In the Alarm Mode, press C to cycle through the on and
off settings as shown below.
Alarm On Indicator/Hourly Time Signal On Indicator
Daily alarm
only
Both off
Both on
Hourly Time
Signal only
· The alarm on (ALM) indicator flashes while the alarm is
sounding.
· The alarm on (ALM) indicator and Hourly Time Signal
on (SIG) indicator are displayed in all modes.
To test the alarm
In the Alarm Mode, hold down C to sound the alarm.
Hourly time signal
on indicator
Alarm on 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, 59.99 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 B.
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.
Minutes
1/100 second
Mode indicator
Hours
Seconds
Timekeeping Mode time
(Hour : Minutes)
Mode indicator
Seconds
Hour : Minutes
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 B to enter the Dual Time Mode.
2. Hold down A until the hour setting starts to flash,
which indicates the setting screen.
3. Press B to move the flashing between the hour and
minutes settings.
4. Press C to increase the setting. Holding down C
changes the setting at high speed.
5. Press A to exit the setting screen.
2
Operation Guide 2898
Illumination
The display of the watch is illluminated by an LED (light-
emitting diode) and a light guide panel for easy reading in
the dark.
· You can specify 1.5 seconds or 3 seconds as the
illumination duration.
· See "Illumination Precautions" for other important
information about using illumination.
To illuminate the display
In any mode, press L to illuminate the display.
To specify the illumination duration
In the Timekeeping Mode, hold down C for about two seconds to toggle the
illumination duration between 3 seconds (
indicator displayed) and 1.5 seconds
(
indicator not displayed).
· Pressing C also toggles between 12-hour and 24-hour timekeeping.
· The
indicator is displayed in all modes when the illumination duration setting is
three seconds.
· To protect against running down the watch's battery, the watch automatically
switches to the 1.5-second setting about seven hours after the 3-second setting is
selected. To continue to use the 3-second setting, perform the above procedure
again.
indicator
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 do not perform any operation for one or two minutes when a setting screen is
displayed, the watch will automatically exit the setting screen.
Illumination Precautions
· Illumination may be hard to see when viewed under direct sunlight.
· Illumination automatically turns off whenever an alarm sounds.
· Frequent use of illumination runs down the battery.