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To turn auto receive on and off
1. In the Timekeeping Mode, press D to display
the Last Signal screen.
2. Hold down A for about two seconds until
RCV appears on the display.
• The current auto receive setting (on or OFF)
will flash.
• Note that the setting screen will not appear
if the currently selected Home City is one
that does not support time calibration
On/Off status
reception.
3. Press D to toggle auto receive on (on) and off
(OFF).
4. Press A to exit the setting screen.
• For information about city codes that support
signal receive, see "To specify your Home City".
To check the latest signal reception results
In the Timekeeping Mode, press D to display the
Receive date
Last Signal screen.
• When receive is successful, the display shows
the time and date that receive was successful.
- - : - - indicates that none of the reception
operations were successful.
• To return to the Timekeeping Mode, press D.
Receive time
Signal Reception Troubleshooting
Check the following points whenever you experience problems with signal
reception.
Problem
Probable Cause
• The watch is not in the
Cannot perform
manual
Timekeeping Mode.
• Your current Home City is not
receive.
one of the following:
BJS or HKG
• Radio interference is often
present during the day time,
which can interfere with
calibration signal reception.
• The Home City code setting is
Time setting is
incorrect
not correct for the area where
following signal
you are using the watch.
reception.
• For further information, see "Important!" under "Time Calibration Signal
Reception" and "Radio-controlled Atomic Timekeeping Precautions".
World Time
The World Time Mode shows you the current
City code
time in 48 cities (29 time zones) around the
world.
• If the current time shown for a city is wrong,
check your Home City time settings and make
the necessary changes.
• All of the operations in this section are
performed in the World Time Mode, which you
enter by pressing C.
Current time in
To view the time in another city
selected city
In the World Time Mode, use D (east) to scroll
through the city codes (time zones).
• For full information on city codes, see the "City
Code Table".
To toggle a city code time between Standard Time and Daylight
Saving Time
1. In the World Time Mode, use D to display the
city code (time zone) whose Standard Time/
Daylight Saving Time setting you want to
change.
2. Hold down A to toggle Daylight Saving Time
(DST indicator displayed) and Standard Time
(DST indicator not displayed).
• The DST indicator will appear whenever you
display a city code for which Daylight Saving
DST indicator
Time is turned on.
• Note that the DST/Standard Time setting
affects only the currently displayed city code.
Other city codes are not affected.
Operation Guide 3127
What you should do
• Enter the Timekeeping
Mode and try again.
• Select BJS or HKG as
your Home City.
• Check to make sure the
watch is in a location
where it can receive the
signal.
• Select the correct Home
City code.
Stopwatch
The stopwatch lets you measure elapsed time,
Hours
split times, and two finishes. It also includes Auto-
Start.
• The display range of the stopwatch is
999 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
Minutes
1/100 second
frozen on the display clears the split time and
Seconds
returns to elapsed time measurement.
• All of the operations in this section are
performed in the Stopwatch Mode, which you
enter by pressing C.
To measure times with the stopwatch
Elapsed Time
D
➤
D
➤
Start
Stop
Split Time
D
➤
A
➤
Start
Split
( SPL displayed)
Two Finishes
D
➤
A
➤
Start
Split
First runner finishes.
Display time of first
runner.
About Auto-Start
With Auto-Start, the watch performs a 5-second countdown, and stopwatch
operation starts automatically when the countdown reaches zero.
During the final three seconds of the countdown, a beeper sounds with each
second.
To use Auto-Start
1. While the stopwatch screen is showing all
zeros in the Stopwatch Mode, press A.
• This displays a 5-second countdown screen.
• To return to the all zeros screen, press A
again.
2. Press D to start the countdown.
• When the countdown reaches zero, a tone
sounds and a stopwatch timing operation starts
automatically.
• Pressing D while the Auto-Start countdown is
in progress starts the stopwatch immediately.
Countdown Timer
You can set the countdown timer within a range
Timekeeping Mode time
of one to 60 minutes. An alarm sounds when the
countdown reaches zero.
• All of the operations in this section are
performed in the Countdown Timer Mode,
which you enter by pressing C.
To set the countdown start time
1. While the countdown start time is on the
display in the Countdown Timer Mode, hold
Minutes
1/10 second
down A until the current countdown start time
Seconds
starts to flash, which indicates the setting
screen.
• If the countdown start time is not displayed, use the procedure under
"To use the countdown timer" to display it.
2. While a setting is flashing, use D (+) and B (–) to change it.
3. Press A to exit the setting screen.
To use the countdown timer
Press D while in the Countdown Timer Mode to start the countdown timer.
• When the end of the countdown is reached, the alarm sounds for 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.
• Press D while a countdown operation is in progress to pause it. Press D
again to resume the countdown.
• To stop a countdown operation completely, first pause it (by pressing D),
and then press A. This returns the countdown time to its starting value.
D
➤
D
➤
A
Re-start
Stop
Clear
A
A
➤
D
➤
Split release
Stop
Clear
D
➤
A
➤
A
Stop
Split release
Clear
Second runner
Display time of
finishes.
second runner.
3
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