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Note
●
Receive takes anywhere from about
six to 60 seconds.
●
It can take as long as 13 minutes when
leap second information is included.
Receiving a Time Information
Automatically
When the conditions below are satisfied, the
watch will automatically receive time
information from a GPS signal. If any time
information receive operation is successful,
the watch will no longer attempt to receive a
signal for the rest of the day.
●
In the Timekeeping Mode
●
Current time is between 6:00 a.m. and
10:00 p.m.
●
Light (near a window on a clear day)
continually shining on the face of the watch
for about one to two minutes.
●
Time calibration signal reception was not
successful during the previous evening.
Note
●
The time information receive operation
takes anywhere from about six to 60
seconds.
●
The receive operation can take as long
as 13 minutes when leap second
information is included.
Leap Second Reception
GPS signal reception each year on June 1 or
later and on December 1 or later also receives
leap second information.
Note
●
It can take as long as 13 minutes to
complete the leap second information
receive operation.
●
The leap second information receive
operation is repeated until information
receipt is complete.
●
Once the leap second information
receive operation is complete, the
watch will not make any attempt to
receive it again until the following June
1 or December 1.
●
When connecting with a phone to
adjust the watch date and time
settings, leap seconds will also be
received along with the time
information. If this happens, leap
seconds may not be received when
receiving a GPS signal.
Time Adjustment Using a
Time Calibration Signal
Appropriate Signal Reception
Location
A time calibration signal can be received while
the watch is near a window.
●
Keep metal objects away from the watch.
●
Do not move the watch.
●
Do not perform any operation on the watch.
6 o’clock position
Note
●
You may experience time calibration
signal reception problems in the areas
described below.
ー
Among or near buildings
ー
While riding in a vehicle
ー
Near household appliances, office
machines, mobile phones, etc.
ー
On a construction site, in an airport,
or any other location where radio
wave interference occurs
ー
Near high-voltage lines
ー
In mountainous areas or behind a
mountain
Time Calibration Signal Reception
Ranges
● Japan (JJY)
The Japan time signal radio stations are
located on Mt. Otakadoya in Fukushima and
Mt. Hagane in Fukuoka/Saga.
The reception range of the Japanese time
signals is approximately 1,000 km from each
transmission station.
● China (BPC)
The China time signal radio station is located
in Shangqiu, Henan Province, China.
The reception range of the Chinese time
signal is approximately 1,500 km from the
transmission station.
● United States (WWVB)
The United States time signal radio station is
located in Fort Collins, Colorado.
The reception range of the U.S. time signal is
approximately 3,000 km from the transmission
station.
● U.K. (MSF)/Germany (DCF77)
The U.K. time signal radio station is located in
Anthorn, Cumbria.
The German time signal radio station is
located in Mainflingen, southeast of Frankfurt.
The reception range of the U.K. and German
time signals is approximately 1,500 km from
each transmission station.
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.
Operation Guide 5531
9
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