Appropriate Signal Reception Location; Time Signal Reception Ranges; Auto Time Calibration Signal Receive; Manual Time Calibration Signal Receive - Casio 3501 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 3501

Time 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.
A time calibration signal cannot be
●
received while the city selected as your
Home City is one that does not support
signal reception.
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.
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
l
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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