Appropriate Signal Reception Location; Time Signal Reception Ranges; Auto Time Calibration Signal Receive; Manual Time Calibration Signal Receive - Casio 3541 Operation Manual

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 3541

Time 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.
A time calibration signal cannot be
●
received while the city selected as your
Home City is one that does not support
signal reception.
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.
1.
Place the watch near a window or some
other location appropriate for signal
reception.
[RCVD] flashes while time signal
●
reception is in progress.
When the receive operation is
●
successful, the time and day settings
are adjusted automatically, and the
[RCVD] indicator appears.
Note
Reception takes anywhere from about
●
two minutes to about 10 minutes. It can
take as long as 20 minutes.
Manual Time Calibration Signal
Receive
1.
Place the watch near a window or some
other location appropriate for time signal
reception.
2.
Enter the Timekeeping Mode.
Navigating Between Modes
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3.
Hold down (D) for at least two seconds
until [RCVD] flashes.
This indicates that the receive operation
has started. After the receive operation is
complete, the watch's time and day
settings will be adjusted accordingly.

Receive level indicator

The level indicator shows the signal
●
level ([L1], [L2], [L3]) while a receive
operation is in progress.
Receive Level Indicator
l
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