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Operation Guide 3074
Stopwatch Mode
The Stopwatch Mode lets you measure elapsed time, split
Timekeeping
times, and two finishes. The range of the stopwatch is 23
Mode time
hour, 59 minutes, 59.99 seconds. You can also have an
Minutes
alarm sound when a target time is reached. The
Stopwatch Mode also features an Auto-Start function.
Seconds
1/100 second
Mode indicator
To measure times with the stopwatch
(a) Elapsed time measurement
Start
Stop
Re-start
(b) Split time measurement
Start
Split
Split release
(SPL displayed)
(c) Split time and 1st-2nd place times
Start
Split
Stop
First runner
Second runner
finishes.
finishes.
Record time of
first runner.
About the Auto-Start function
With the Auto-Start function, the watch performs a 5-second countdown. When the
countdown reaches zero, stopwatch operation starts automatically. During the final
three seconds of the countdown, a beeper sounds with each second.
To turn the Auto-Start function on and off
While the display is showing all zeros in the Stopwatch Mode, press A to toggle it on
and off.
• The A.START indicator appears and 05 is shown while Auto-Start is turned on. The
A.START indicator is not shown and the display shows the Timekeeping Mode time
when Auto-Start is turned off.
About the Target Time function
With the Target Time function, an alarm sounds for 10 seconds whenever the time
being kept by the stopwatch reaches a target time you have preset.
To set the target time, to turn the target time on and off, and to turn the vibration
alarm on and off
1. While the display is showing all zeros in the Stopwatch
Vibration alarm on
Mode, hold down B, and the hour digit of the target
indicator
time starts to flash because it is selected.
Target time
2. Press C to change the selection in the following
on indicator
sequence.
Hours
Hour
3. Press D to increase the selected number or A to
decrease it. Holding down either button changes the
selection at high speed.
• Press D and A at the same time to clear the setting
Minutes
to 0:00' 00".
Seconds
4. Press B to move the flashing to the target time ON/
OFF setting, which is indicated by the target time on
indicator flashing on the display.
5. Press D or A to toggle the target time on and off.
• Note that the target time on indicator appears regardless of whether you are using
the audible alarm tone or vibrator. Steps 6 and 7 below control whether an alarm
operation produces an audible tone or vibration.
6. Press C to move the flashing to the vibration alarm ON/OFF setting, which is
indicated by the vibration alarm on indicator flashing on the display.
7. Press D or A to toggle the vibration alarm on and off.
8. Press B to return to the Stopwatch Mode.
Important!
The alarm will not sound if you do not turn on the target time.
• Press B, C or L to stop the alarm after it starts to sound.
Stop
Clear
Stop
Clear
Split release
Clear
Record time of
second runner.
Minutes
Seconds
Alarm Mode
When the Daily Alarm is turned on, an alarm operation
Hourly time signal
(20-second tone or 10-second vibration) is performed at
on indicator
the preset time each day. Press any button to stop the
Timekeeping
alarm after it starts to sound. When the Hourly Time
Mode time
Signal is on, the watch beeps every hour on the hour.
To set the alarm time
1. Hold down B until the hour digits start to flash on the
display. The hour digits flash because they are
selected.
• This operation will switch the Daily Alarm on
automatically.
Mode
2. Press C to change the selection in the following
indicator
sequence.
Alarm time
Alarm on
(Hour : Minutes)
indicator
Hour
3. Press D to increase the selected digits and A to decrease them. Holding down
either button changes the selection at high speed.
• The format (12-hour and 24-hour) of the alarm time matches the format you select
for normal timekeeping.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as morning (no indicator) or afternoon (P).
4. After you set the alarm time, press B to return to the Alarm Mode.
To turn the daily alarm on and off, to turn the Hourly Time Signal on and off, and
to turn the vibration alarm on and off
Press A while in the Alarm Mode to change the status in the following sequence.
Both OFF
Daily Alarm
Only
Both ON
Vibration ON
(no sound)
• The alarm on indicator (
), the Hourly Time Signal on indicator (
on indicator (
) are shown on the display in all modes while these functions are
turned on.
To test the alarm sound
Hold down A while in the Alarm Mode to sound the alarm.
The Vibration Alarm is activated while the
Vibration Alarm is not activated and an audible tone sounds for alarms.
• Note that pressing A also changes the alarm and the Hourly Time Signal ON/OFF
settings.
Dual Time Mode
The Dual Time Mode lets you keep track of the time in
Timekeeping Mode time
another time zone. You can also select the timekeeping
format (12-hour or 24-hour) separately from the
Timekeeping Mode.
• In the Dual Time Mode, the seconds count is
synchronized with the seconds count of the
Timekeeping Mode.
• In the Dual Time Mode, press A to toggle between the
12-hour and 24-hour formats.
Hour : Minutes
Seconds
Mode indicator
To set the Dual Time
1. Hold down B while in the Dual Time Mode. The hour digits flash on the display
because they are selected.
2. Press C to change the selection in the following sequence.
Hour
3. Press D to increase the selected digits and A to decrease them. Holding down
either button changes the selection at high speed.
4. After you set the time, press B to return to the Dual Time Mode.
Minutes
Hourly Time
Both ON
Signal Only
Hourly Time
Daily Alarm
Signal Only
Only
) and vibration
is on the display. Otherwise, the
Minutes
2
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