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Manual Time Calibration Signal
Receive
1.
Place the watch near a window or some
other location appropriate for time signal
reception.
2.
Enter the Receive Mode.
Navigating Between Modes
l
3.
Hold down (A) for at least two seconds.
Release the button when [
flash.
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
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.
Watch Operation Guide 3553
Receive Level Indicator
While a receive operation is in progress, its
current status is indicated on the display as
shown below. Use the level indicator to find a
location where signal reception is stable.
] starts to
Unstable
Note
It takes about 10 seconds for time
●
signal reception conditions to stabilize.
Reception conditions are affected by
●
weather, the time of day, the
surrounding environment, etc.
Checking the Last Time Adjustment
Result
1.
Enter the Receive Mode.
Navigating Between Modes
l
This displays the date and time of the last
successful receive operation.
Last receive time
Receive level indicator
Stable
Last receive date
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.
While battery power is low
ー
In any mode besides the Timekeeping
ー
Mode or World Time Mode
When the watch is at Level 2 power
ー
saving
While a compass reading, barometric
ー
pressure/ temperature measurement, or
altitude measurement operation is in
progress
While the barometric pressure change
ー
indication is enabled
While a climb record data measurement
ー
operation is in progress
While a timer countdown operation is in
ー
progress
While the Home City area setting is one
ー
where time signal reception is not
possible
While the watch is outside the time signal
ー
reception range
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.
When the summer time start date and
ー
time, end date and time, or other rules are
changed by authorities
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.
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