Operation Guide 4334
2
T o select the Single Stopwatch Mode or Dual Stopwatch Mode
In the Stopwatch Mode, press A to toggle the Single Stopw atch Mode and the Dual
Stopwatch Mode .
• Y ou cannot toggle between the Single Stopwatch Mode and Dual Stopwatch Mode
while an elapsed time operation is in progress.
After pressing A to reset the elapsed time to all zeros, press A again to toggle
between stopwatch modes.
• The indicator “
ST1” indicates the Single Stopw atch Mode, while “ST2 ” indicates
the Dual Stopwatch Mode.
Remaining free records
Single Stopwatch
Mode Screen
Dual Stopwatch
Mode Screen
Press A .
▲
▲
• Both the Single Stopwatch Mode screen and the Dual Stopw atch Mode screen show
the number of free memory records availab le for storing data. The watch’s memor y
can hold up to 50 records total, including both Single Stopwatch Mode and Dual
Stopwatch Mode records .
Using the Single Stopwatch Mode
The Single Stopwatch Mode displays the total elapsed time and lap times f or a single
vehicle or runner .
Stopwatch mode indicator
T o perform a Single Stopwatch Mode operation
1. While the Single Stopwatch Mode screen is displa yed,
press D to start elapsed time measurement.
2. T o display a lap time, press D while elapsed time
measurement is in progress.
• After about 10 seconds , the upper display will change
automatically to timing of the next lap , with the total
elapsed time shown in the low er display .
• Each press of D during elapsed time measurement
stores the applicable lap number , lap time, and total
elapsed time in memory .
• Lap numbers are displa yed in the range of 01 to 99.
After lap 99, pressing D does not display a lap time
(elapsed time continues without stopping).
• During the first hour, the stopw atch displays elapsed time in minutes, seconds ,
and 1/100 second. After the first hour, the displa y changes to shows hours,
minutes, and seconds.
• Use the Recall Mode to view data in memory .
3. T o stop elapsed time measurement and reset, press A.
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Total elapsed time
Lap number
Lap time
Using the Dual Stopwatch Mode
The Dual Stopwatch Mode can be used to measure elapsed time f or two vehicles or
runners at the same time, including separate lap times and the time diff erential
between vehicles or runners.
T o perform a Dual Stopwatch Mode operation
The table below sho ws how to time two vehicles or
runners (Measurement A and Measurement B).
• The lower displa y shows Measurement A, while the
upper display shows Measurement B .
• In the Dual Stopwatch Mode, y ou can star t timing from
either Measurement A or Measurement B.
Measurement B
Measurement A
• The lap number f or the current displayed lap time (A or
B) appears in the center left of the display , and the
applicable lap time appears in the upper or low er display .
The other display (upper or low er) shows elapsed time
measurement.
• After about 10 seconds, the displa y will change
automatically to timing of the next lap .
• Each press of D or B during elapsed time
measurement stores the applicable lap number and lap
time in memory .
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Measurement B Lap Time
Lap number
Measurement A Lap Time
Lap time screen
Start first
elapsed
time.
Press D.
Press B.
Display
lap time
screen.
Press D.
Press B .
Start other
elapsed
time.
Press B.
Press D.
Measurement A
Measurement B
Display lap
time of other
elapsed time.
Press B.
Press D.
Reset
elapsed
time to all
zeros.
Press A .
• Lap numbers are displa yed in the range of 01 to 99.
After lap 99, pressing D does not display a lap time
(elapsed time continues without stopping).
• After starting Measurement A or Measurement B
elapsed time measurement and then starting the other
time's elapsed time measurement displa ying a lap time
for one of the times will displa y the other time's lap time
and the difference betw een Measurement A and
Measurement B. After about 5 seconds, the displa y will
change automatically to timing of the next lap .
• After you press one of the b uttons to display one of the
lap times (without the lap time differential displa yed),
pressing the other button displa ys the other lap time and
the differential betw een the two laps for about five
seconds.
• The “ ±” indicator on the lap time differential screen
indicates both times are for the same lap .
• “ -'--"--” is shown for the lap time diff erential if it is greater
than 10 minutes.
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Measurement B
Lap Time
Measurement A and
Measurement B
differential
• Pressing A stops elapsed time measurement and reset.
• During the first hour, the stopw atch displays elapsed time in minutes, seconds , and
1/100 second. After the first hour, the displa y changes to shows hours, minutes, and
seconds.
• Use the Recall Mode to view data in memory .
Recalling Stopwatch Data
Y ou can use the Recall Mode to recall and delete
stopwatch data stored in memory .
• Y our watch automatically creates logs for stor age of
stopwatch data in memory . For information about using
logs, see “ Managing Memory Data”.
T o recall stopwatch log data
1. Enter the Recall Mode.
• The title screen of the new est log appears first when
you enter the Recall Mode.
2. Use the A button to scroll through log title screens
until the one for the log you w ant to view is on the
display .
• Logs are numbered from 01 (oldest) to 50.
3. Press D (+) or B ( – ) to view the log data.
Log number
Log title screen
Log creation
date
Stopwatch mode in
which the recalled
log data was
measured
Press B .
Press D.
▲
▲
Best lap indicator
Lap number of
best lap
Best lap
▲
▲
Lap time
Lap number
▲
▲
▲
▲
▲
▲
*
Total elapsed time
Recalled log data measured in the Single Stopwatch Mode (ST1)
Press B.
Press D.
▲
▲
▲
▲
▲
▲
Recalled log data measured in the Dual Stopwatch Mode (ST2)
▲
▲
Lap timeLap number
Lap time
Best lap indicator
Best lap
(Measurement A)
*
Best lap
(Measurement B)
▲
▲
▲
One second
later
Lap number of best lap
(Measurement B)
Lap number of best lap
(Measurement A)
*
The best lap time is for the best time in the ne west log only . The Best Lap Time
screen is the one that has the best lap indicator .
T o delete stopwatch data
1. In the Recall Mode, use A to scroll through log title screens until the one for the log
you want to delete is on the displa y .
• Displaying lap time data (not the log title screen), deleting the data also will delete
the log that contains the data.
2. Hold down B and D until the watch beeps and “
CLR” stops flashing on the
display .
• This will delete all of the data in the currently selected log.
• Deleting the newest log also will delete the best lap time data.
Countdown Timer
Y ou can set the countdown timer within a range of one
minute to 100 hours. An alarm sounds when the
countdown reaches zero .
• Y ou also can select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever z ero is reached.
• All of the operations in this section are perf or med in the
Countdown Timer Mode, which you enter by pressing
C.
Second
Hours
Minutes
T o use the countdown timer
Press D while in the Countdown Timer Mode to star t the countdown timer .
• When the end of the countdown is reached and auto-repeat is turned off, the alarm
sounds f or 10 seconds or until you stop it by pressing any button. The countdown
time is reset automatically to its starting value after the alarm stops.
• When auto-repeat is turned on, the countdown will restart automatically without
pausing when it reaches zero . The alarm sounds when the countdown reaches zero .
• The countdown timer measurement oper ation contin ues e ven if you e xit the
Countdown Timer Mode.
• T o stop a countdown operation completely , first pause it (by pressing D ), and then
press A . This returns the countdown time to its starting value.
T o configure countdown start time and auto-repeat settings
1. While the countdown start time is on the display in the
Countdown Timer Mode, hold down A until the hour
setting of the countdown start time star ts to flash, which
indicates the setting screen.
• If the countdown start time is not displayed, use the
procedure under “ T o use the countdown timer” to
display it.
2. Press C to mov e the flashing in the sequence shown
below , and select the setting you want to change.
Start Time
(Minutes)
Auto-Repeat
On/Off
Start Time
(Hours)
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Auto-repeat on indicator
On/Off status