Time Calibration Signal Reception Ranges; Auto Time Calibration Signal Receive; Signal Reception Precautions - Casio 5502 Operation Manual

Time Calibration Signal Reception
Ranges
Time calibration signal reception is supported
in the areas shown below.
Japan Time Calibration Signal (JJY)
●
500 kilometers
Fukuoka/
Saga
500 kilometers
Tokyo
1,000 kilometers
Chinese Time Calibration Signal (BPC)
●
Changchun
1,500 kilometers
500 kilometers
Chengdu
Shangqiu
U.S. Time Calibration Signal (WWVB)
●
600 miles
(1,000 kilometers)
Denver
Los Angeles
Fort Collins
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.
Operation Guide 5502
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
1,000 kilometers
are performed that day.
Getting ready
Fukushima
Enter the Timekeeping Mode.
Navigating Between Modes
l
Beijing
Shanghai
Place the watch near a window or some other
location appropriate for signal reception.
Hong Kong
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.
New York
Note
Chicago
Reception takes anywhere from
●
about two minutes to about 10
minutes. It can take as long as 20
minutes.
1,500 kilometers
Mainflingen
Signal Reception
Precautions
When the watch is unable to adjust its time
●
in accordance with a calibration signal for
some reason, average timekeeping
accuracy is within ±15 seconds per month.
Note that an internal decoding process the
●
watch performs after it receives a signal may
cause the time setting to be slightly off (by
less than one second).
GPS signal and time calibration signal
●
reception will not be possible under any of
the watch conditions described below.
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If the receive operation is successful, the
●
time and day settings will be adjusted
automatically in accordance with the Home
City and summer time settings. Summer
time will not be applied correctly in the cases
described below.
ー
ー
As of January 2017, China does not observe
●
summer time. If China starts to observe
summer time in the future, the time
displayed by the watch for China may not be
correct.
While battery power is low
While the watch is in the Airplane Mode,
Stopwatch Mode, Timer Mode, or Alarm
Mode
When power saving is at Level 2 (GPS
signal reception also is not possible at
Level 1.)
While the crown is pulled out
Timer countdown operation in progress
When the summer time start date and
time, end date and time, or other rules are
changed by authorities
When location information is received,
but it is not location information for your
actual location (For example, when you
are near a borderline of a city and the
acquired location information is for a
neighboring city, etc.)
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