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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. Enter the Calendar Mode.
l
Navigating Between Modes
2. 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
●
The receive operation takes anywhere
from about two minutes to about 10
minutes. It can take as long as 20
minutes.
Manual Time Calibration Signal
Receive
Important!
●
A manual time calibration signal
receive operation cannot be
performed while the watch is paired
with a phone. When you want to
perform a manual time calibration
signal receive operation, unpair the
watch from your phone.
l
Unpairing
1. Place the watch near a window or some
other location appropriate for time signal
reception.
2. Enter the Calendar Mode.
l
Navigating Between Modes
3. Hold down (D) for at least 0.5 seconds
until the second hand points to [RC].
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.
30
Note
●
The receive operation takes anywhere
from about two minutes to about 10
minutes. It can take as long as 20
minutes.
●
Time calibration signal reception is
better at night than during the day.
●
A time calibration signal cannot be
received while the city selected as your
Home City is one that does not support
signal reception.
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).
●
Time calibration signal reception is not
possible under the conditions described
below.
ー
While battery power is low
ー
In any mode besides the Calendar Mode
ー
While the watch is at Level 3 power
saving
ー
While the crown is pulled out
ー
While a timer countdown operation is in
progress
ー
While the Home City setting is a time zone
where time signal reception is not
possible
ー
While the watch is outside the time signal
reception range
ー
While the Airplane Mode is enabled
●
When the receive operation is successful,
the time and/or day settings will be adjusted
automatically. Summer time will not be
applied correctly in the case described
below.
ー
When the summer time start date and
time, end date and time, or other rules are
changed by authorities
●
If your watch is connected with a phone,
settings must be configured so CASIO
WATCHES can acquire location
information. Even if you are in an area that
is within the reception range of a time signal,
reception will not be performed if settings
are configured in a way that makes signal
reception impossible.
●
As of July 2022, 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.
Watch Operation Guide 5702
17
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