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Operation Guide 5143
E-59
To perform a countdown timer operation
A
A B
Start Stop Reset
Pressing x B while the Countdown Timer is stopped resets the displayed time to the
start time specifi ed by you.
Pressing
x B will not perform a reset while the watch is performing any of the
following operations.
While the hands are moving to the current timer time after you enter the
−
Countdown Timer Mode.
While the displayed date is changing at midnight.
−
Before starting a countdown timer operation, check to make sure that the x
countdown timer is not already operating (indicated by a moving
x
Second Hand).
If it is, press A to stop it and then B to reset to the countdown start time.
All hands move counterclockwise during a countdown. They automatically switch to
x
clockwise movement when elapsed time measurement begins after the countdown
is complete. An elapsed time measurement operation will continue until you press
A to stop it.
E-58
Rotate the crown to set the countdown start time.3.
Rotating the crown two full consecutive turns away from you will cause the x
c
Minute Hand to start moving clockwise. Rotating the crown another two full
consecutive turns away from you will cause the
c
Minute Hand to start moving
at high speed. To stop hand movement, press any button or rotate the crown one
full turn towards you.
The maximum countdown start time setting is 60 minutes. To set a countdown start
x
time of 60 minutes, move the
c
Minute Hand to 12 o’clock.
Push the crown back in to exit the countdown start time setting mode. Next, lock 4.
the crown.
Rotating the ring without pushing it down as far as it will go will change the
x
settings of the watch. When locking the crown, be sure to press down fi rmly on
the ring as you rotate it.
E-57
To specify the countdown start time
Press the crown button to navigate to the Countdown 1.
Timer Mode.
The mode pointer will point to
x TR on the
v
Mode
Disk.
Unlock the crown and then pull it out. This enters the 2.
countdown start time setting mode.
If you do not perform any operation with the crown
x
for about three minutes after pulling it out, crown
operations will become disabled and the watch
hands will no longer move when you rotate the crown.
If this happens, push the crown back in and then pull
it out again.
+> @
E-56
Using the Countdown Timer
The countdown timer can be confi gured within a range of one minute to 60 minutes.
An alarm sounds for about 10 seconds when the timer reaches zero, and a count up
elapsed time operation starts.
Hands and Indicators
z
Hour Hand: Indicates the elapsed time hour.
x
Second Hand: Indicates countdown or elapsed
seconds.
c
Minute Hand: Indicates countdown or elapsed minutes.
v
Mode Disk: TR aligned with mode pointer.
All hands move counterclockwise during a countdown.
x
They automatically switch to clockwise movement when
elapsed time measurement begins after the countdown
is complete.
+B@
>
E-55
To recall lap data
While in the Stopwatch Lap Mode, unlock the crown and then pull it out to enter the 1.
Data Recall Mode.
The
x
v
Mode Disk will move until the lap pointer points to LAP 1, and the hands
of the watch will move until they indicate the time recorded for LAP 1.
Rotate the crown to select other laps.2.
Rotate the crown away from you to select laps sequentially in ascending
x
sequence (2, 3, 4, 5), and towards you to select laps in descending sequence.
Rotating the crown until FL (Fastest) is selected will show the time of the fastest
lap.
To return to the Stopwatch Lap Mode, push the crown back in. Next, lock the 3.
crown.
Rotating the ring without pushing it down as far as it will go will change the
x
settings of the watch. When locking the crown, be sure to press down fi rmly on
the ring as you rotate it.
E-54
To perform an elapsed time operation
A
A A A B
Start Stop (Restart) (Stop) Reset
To perform lap time measurement
A
B B
......
A B
Start Lap (LAP1) Lap (LAP2) Stop Reset
With each lap time measurement, the x
v
Mode Disk will move so the lap pointer
points to the next sequential lap number. Performing another lap time measurement
after LAP 5 is indicated will cause
(too many laps) to be indicated.
E-53
Hands and Indicators
z
Hour Hand: Indicates the stopwatch minute count
(1 revolution = 60 minutes).
x
Second Hand: Indicates the 1/20 (0.05)-second count
during stopwatch operation.
c
Minute Hand: Indicates the stopwatch seconds count.
v
Mode Disk: Mode disk rotates until the lap pointer
points to a lap number.
To enter and exit the Stopwatch Lap Mode
From any other mode, hold down C for about two seconds
to enter the Stopwatch Lap Mode.
The x
v
Mode Disk will rotate until the lap pointer points to
the current lap number (1 through 5, or
).
To return to the Timekeeping Mode, hold down C or the
crown button for about two seconds.
@+ B
>
E-52
Using the Stopwatch (Stopwatch lap mode)
You can use the Stopwatch Lap Mode to measure elapsed time and lap times, and to
recall lap times. Up to fi ve lap times can be stored in memory. There is also memory
to record the fastest lap time. Though no more lap times are stored after fi ve times are
in memory, the fastest lap time continues to be updated as required. Starting a new
elapsed time operation clears all of the memories (including fastest lap time).
What is a lap time?
A lap time is the time elapsed over a specifi c segment of a race.
Example: Car race on an oval track
Start
Lap 1
Lap 2
Lap 3
E-51
The x
x
Second Hand indicates the 1/20 (0.05)-second count for the fi rst 30 seconds
of a stopwatch elapsed time operation. After that, the hand stops at 12 o’clock,
but 1/20 (0.05)-second timing continues internally after the fi rst 30 seconds. The
x
Second Hand will jump to the current value whenever A (Stop) is pressed.
E-50
An ongoing stopwatch operation will continue even if you pull out the crown to x
perform some setting operation.
In the following cases, the hands of the watch are moving, so pressing
x B will not
perform a reset operation.
While the hands are moving to elapsed timekeeping after you enter the Stopwatch
−
Split Mode
While the watch is changing dates at midnight
−
Once started, stopwatch timing continues until you press x A to stop it, even if you
exit the Stopwatch Split Mode to another mode and even if timing reaches the
stopwatch limit defi ned above.
You can press
x A to start an elapsed time operation immediately after entering
the Stopwatch Split Mode, even if the watch’s hands are still moving to their initial
Stopwatch Split Mode positions. Note, however, that if the stopwatch was not
reset after the last elapsed time operation, timing will restart from where it was last
stopped, and not from 12 o’clock.