Operation Guide 3426
E-10
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press
D
to toggle between 12-hour timekeeping and
24-hour timekeeping.
With the 12-hour format, the
P (PM) indicator appears 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, without
any indicator.
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
The
P indicator is not displayed with the Timekeeping Mode time on the Preset
Timer Mode, Countdown Timer Mode, World Time Mode, and Alarm Mode screens.
E-11
Stopwatch
The stopwatch lets you measure elapsed time. The upper
display and lower display can be used for offi cial timing of
an event or game.
The measurement range of the upper display is
59 minutes 59 seconds.
The measurement range of the lower display is
99 minutes 59 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.
All of the operations in this section are performed in
the Stopwatch Mode, which you enter by pressing
C
(page E-4).
Timekeeping Mode time
Initial Stopwatch Mode
Screen
E-12
This time measurement (1/100 second)
cannot be paused.
Elapsed Time Screen
Minutes Seconds
Press
D
to pause and
resume elapsed time
measurement.
Minutes Seconds
This time measurement
cannot be paused.
It shows the total elapsed
time since the timing
operation started.
To measure times with the stopwatch
Elapsed Time
D
D
D
D
Hold down
A
Start
Stop
*
1
Resume
Stop
*
1
Reset
*
1 Elapsed time measurement in the lower display continues.
E-13
Using the Watch for Offi cial Timing of a Sport Event
After you set a game or event time, the watch will sound an alarm when the time in
the lower display reaches that time.
If the event is interrupted for some reason, you can press
D
to pause and resume
timing in the upper display. The lower display shows the total elapsed time since the
start of the timing operation. You can calculate the total amount of time that play was
interrupted (lost time or injury time) by subtracting the upper display time from the
lower display time.
E-14
To set the event time
1. In the Stopwatch Mode, hold down
A
until the current
event time setting starts to fl ash in the lower display.
This is the setting screen.
If the current event time is not displayed, use the
procedure under “To reset elapsed time measurement
to zero” (page E-15) to display it.
2. While a setting is fl ashing, use
D
(+) and
B
(–) to
change it.
You can set the event time in the range of 1 minute to
60 minutes, in 1-minute units.
“ ” indicates there is no event time set.
3. Press
A
to exit the setting screen.
To start timing at the beginning of an event
When the current time in the lower display reaches the event start time, press
D
to
start timing.
This will display elapsed time measurement in the upper and lower displays.
E-15
To pause timing
1. Press
D
.
This stops elapsed time measurement in the upper display.
Elapsed time measurement in the lower display continues.
2. To resume elapsed time measurement in the upper display, press
D
again.
When the preset event time is reached
The watch will sound an alarm when the elapsed time measurement in the lower
display (total elapsed time since timing started) reaches the preset event time.
Elapsed time measurement continues to be performed even after the preset event
time is reached.
To reset elapsed time measurement to zero
1. Press
D
. This stops elapsed time measurement in the upper display.
Elapsed time measurement in the lower display continues.
2. Hold down
A
until the initial Stopwatch Mode screen appears.
E-16
Preset Timer
The watch includes a number of different preset times that
you can select for the countdown start time.
An alarm sounds when the countdown reaches zero.
The following are the preset start times, all in minutes:
10, 12, 15, 20, 25, 30, 35, 40, 45.
You can also select auto-repeat, which automatically
restarts from the preset start time you selected, whenever
zero is reached.
All of the operations in this section are performed in the
Preset Timer Mode, which you enter by pressing
C
(page E-4).
Preset timer time
Timekeeping Mode time
E-17
To perform a preset timer operation
1. In the Preset Timer Mode, use
A
to scroll through the
preset times until the one you want to use is displayed.
10 minutes
12 minutes
15 minutes
20 minutes
A
A
A
A
A
25 minutes
45 minutes
40 minutes
35 minutes
30 minutes
A
A
A
A
E-18
To turn on auto-repeat, hold down
A
while a start time
selection screen is displayed. The number of repeats
will appear in the lower display.
Frequent use of auto-repeat and the alarm can run
down battery power.
2. Press
D
to start the countdown timer.
Press
D
while a countdown operation is in progress to
pause it. Press
D
again to resume the countdown.
Number of repeats
Auto-repeat on indicator
E-19
When the end of the countdown is reached, the alarm sounds for 10 seconds or until
you stop it by pressing any button.
When the end of the countdown is reached while auto-repeat is turned off, the watch
will go into an elapsed time operation and display how much time has elapsed
since the end of the countdown was reached. The elapsed time operation will stop
automatically when it reaches 60 minutes. At that time the countdown timer start
time selection screen will appear.
When the end of the countdown is reached while auto-repeat is turned on, a new
countdown starts from the selected preset start time. The number of repeats is
displayed in the lower display. The number of repeats display changes to “ ” when
the count reaches 100.
To stop a countdown operation completely, fi rst pause it (by pressing
D
), and then
press
A
. This will display the initial Preset Timer Mode screen.