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Time Calibration Signal Reception
Ranges
Time calibration signal reception is
supported in the areas shown below.
●
Japan Time Calibration Signal
(JJY)
500 kilometers
500 kilometers
1,000 kilometers
1,000 kilometers
To k y o
Fukushima
Fukuoka/
Saga
●
Chinese Time Calibration Signal
(BPC)
500 kilometers
1,500 kilometers
Chengdu
Shangqiu
Hong Kong
Shanghai
Beijing
Changchun
●
U.S. Time Calibration Signal
(WWVB)
600 miles
(1,000 kilometers)
2,000 miles (3,000 kilometers)
Los Angeles
Denver
Fort Collins
Chicago
New York
●
U.K. (MSF) and German (DCF77)
Time Calibration Signal
The Anthorn signal is receivable within this area.
500 kilometers
1,500 kilometers
Mainflingen
Anthorn
Note
●
Even if you are within the normal
reception range of a time
calibration signal, reception
may be made impossible by the
following factors: geographic
contours, weather, the season,
the time of day, wireless noise.
Auto Time Calibration Signal
Receive
An automatic time calibration signal
receive operation is performed and the
time and day settings are adjusted
between midnight and 5:00 a.m. Once a
signal receive operation is successful, no
more auto receive operations are
performed that day.
The receive operation is performed only
while the watch is in the Timekeeping
Mode (normal timekeeping).
●
Normally the mode hand points to the
current day of the week.
l Navigating Between Modes
30
Mode
hand
Place the watch near a window or some
other location appropriate for signal
reception.
●
The second hand points to “RC” while
time calibration reception in progress.
●
When the receive operation is
successful, the time and day settings
will be adjusted automatically.
Note
●
Reception takes anywhere from
about two minute to about 10
minutes. It can take as long as
20 minutes.
Checking the Receive
Operation Result
You can use the procedure below to
check the result of the last GPS or time
calibration signal receive operation.
Getting ready
Enter the Timekeeping Mode.
l Navigating Between Modes
1. Press (B).
The second hand will move and
indicate the receive operation result.
“YES”: Receive successful
“NO”: Receive failed
30
Second hand
2. Press (B) or do not perform any
operation for one or two seconds to
return to the current time.
Note
●
Even if there was a successful
receive operation, the second
hand will point to “NO” if you
adjusted the time setting
manually.
Signal Reception
Precautions
●
GPS signal and time calibration signal
reception will not be possible under
any of the watch conditions described
below.
ー
While battery power is low
ー
While the watch is in the Airplane
Mode or Stopwatch Mode
ー
When power saving is at Level 2
(GPS signal reception also is not
possible at Level 1.)
ー
While the crown is pulled out
ー
While the stopwatch is measuring
elapsed time
ー
While the temperature of the watch
is less than approximately -10°C
(14°F) or greater than approximately
60°C (140°F)
Operation Guide 5412
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