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Appropriate Signal Reception Location; Time Calibration Signal Reception Ranges; Auto Time Calibration Signal Receive - Casio 5636 Operation Manual

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Appropriate Signal Reception
Location
A time calibration signal can be received while
the watch is near a window.
Position the watch so its 12 o'clock side is
facing the window.
Keep metal objects away from the watch.
Do not move the watch.
Do not perform any operation on the watch.
12 o'clock
Note
You may experience time calibration
signal reception problems in the areas
described below.
Among or near buildings
ー 
While riding in a vehicle
ー 
Near household appliances, office
ー 
machines, mobile phones, etc.
On a construction site, in an airport,
ー 
or any other location where radio
wave interference occurs
Near high-voltage lines
ー 
In mountainous areas or behind a
ー 
mountain
Watch Operation Guide 5636
Time Calibration Signal Reception
Ranges
Time calibration signal reception is supported
in the areas shown below.
Japan Time Calibration Signal (JJY)
Fukuoka/
Saga
500 kilometers
1,000 kilometers
Chinese Time Calibration Signal (BPC)
1,500 kilometers
500 kilometers
Chengdu
U.S. Time Calibration Signal (WWVB)
600 miles
(1,000 kilometers)
Denver
Los Angeles
2,000 miles (3,000 kilometers)
U.K. (MSF) and German (DCF77) Time
Calibration Signal
Anthorn
500 kilometers
The Anthorn signal is receivable within this area.
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.
1,000 kilometers
500 kilometers
Fukushima
Tokyo
Changchun
Beijing
Shanghai
Hong Kong
Shangqiu
New York
Chicago
Fort Collins
1,500 kilometers
Mainflingen
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.
Important!
Time calibration signal auto receive is
disabled while the watch is paired with
a phone for auto time adjustment.
However, time signal auto receive will
be performed if there has been no auto
time adjustment based on connection
between the watch and phone for more
than one day.
1.
Place the watch near a window or some
other location appropriate for signal
reception.
The second hand points to [RC] while
the receive operation in progress.
When the receive operation is
successful, the time and day settings
will be adjusted automatically.
Note
Reception takes anywhere from about
two minutes to about 10 minutes. It can
take as long as 20 minutes.
7

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