Operation Manual

Receive Levels
The current time signal receive level is
indicated on the display. Refer to the level
indicator to determine the best location for
time signal reception.
StableUnstable
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 Receive
Operation Result
Use the procedure below to check the date
and time of the last successful time signal
receive operation.
1.
In
the Timekeeping Mode, press (B) eight
times.
This enters the Receive Mode and
displays the date and time of the last
successful time signal receive operation.
●
The display will show [-:--] for the time
and [-.--] for the date if no time signal
receive operation has been successful
yet.
2.
Press (B) to return to the Timekeeping
Mode.
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.
●
Time signal reception is not possible when
any one of the conditions exists.
ー
While battery power is low
ー
Power Saving Level 2
ー
Timer countdown operation in progress
ー
barometric pressure indications turned
on
●
If an alarm starts to sound while time signal
reception
is in progress, reception will stop.
●
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 case
described below.
ー
When the summer time start date and
time, end date and time, or other rules are
changed by authorities
●
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).
●
As of July 2015, 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.
Manual Time
Adjustment
You can use the procedure below to adjust the
time and day settings using the watch in an
area where time signal reception is not
possible.
Getting ready
Enter the Timekeeping Mode.
l
Navigating Between Modes
Timekeeping Mode
Setting a Home Time City
Use the procedure in this section to select a
city to use as your Home City. If you are in an
area
that observes summer time, you can also
enable or disable summer time.
l
Summer Time
Important!
●
World Time times will not be correct
if you select the wrong city as your
Home City.
Note
●
Your
watch has 29 built-in cities that
you can select as a Home Time City.
If you are using the watch in a
location that is not among the built-
in cities, use the built-in city that is in
the same time zone as your location.
For available city settings, see “City
Code List”.
1.
Pull out the crown.
The second hand will move to the
currently set city.
Crown
2.
Rotate the crown to move the second
hand to the city you want to set.
3.
To
change the summer time setting, press
(B).
●
If
you don’t want to change the summer
time setting, push the crown back in to
complete the setting operation.
Operation Guide 5470
7