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Acquiring GPS Time Information
Manually
You can use a button operation on the watch
to receive GPS signal time information. When
the receive operation is successful, the
watch’s Home City (time zone), day, and time
settings will be adjusted accordingly.
Note
●
GPS signal reception requires large
amounts of power. Perform it only
when necessary.
Getting Ready
The receive operation is performed only while
the watch is in the Timekeeping Mode (normal
timekeeping).
●
Normally the mode hand points to the
current day of the week.
l Navigating Between Modes
30
Mode
hand
1.
Move to a location appropriate for signal
reception and orient the watch so its
display is pointed straight up at the sky.
2.
Hold down (B) for at least one second.
Release the button as soon as the second
hand points to “T (TIME)”.
●
The second hand will move in the
following sequence: “Y(YES)” or
“N(NO)” n “T(TIME)”.
●
This indicates that time information
receipt has started.
30
Second
hand
●
If information acquisition is successful,
the second hand will move to “Y(YES)”,
and then the watch will automatically
adjust its time and day settings.
3
0
●
If reception fails for some reason, the
second hand will move to “N(NO)” and
then the watch will indicate the current
time and day without adjusting them.
Note
●
Reception takes anywhere from
about seven seconds to about one
minute.
●
It can take as long as 13 minutes
when leap second information is
included.
Auto GPS Signal Receive
When the conditions below are satisfied, the
watch will automatically receive a GPS signal.
If any time information receive is successful,
the watch will no longer attempt to receive a
signal for the rest of the day.
●
Time information
●
Watch in the Timekeeping Mode (normal
timekeeping)
●
Current time is between 6:00 a.m. and 10:00
p.m.
●
Light (near a window on a clear day)
continually shining on the face of the watch
for about one to two minutes.
●
Time calibration signal reception was not
successful during the previous evening.
Note
●
The time information receive
operation takes anywhere from
about seven seconds to one minute.
●
The receive operation can take as
long as 13 minutes when leap
second information is included.
Leap Second Reception
GPS signal reception each year on June 1 or
later and on December 1 or later also receives
leap second information.
Note
●
It can take as long as 13 minutes to
complete the leap second
information receive operation.
●
The leap second information receive
operation is repeated until
information receipt is complete.
●
Once the leap second information
receive operation is complete, the
watch will not make any attempt to
receive it again until the following
June 1 or December 1.
Time Adjustment Using a
Time Calibration Signal
Appropriate Signal Reception
Location
A time calibration signal can be received while
the watch is near a window.
●
Keep metal objects away from the watch.
●
Do not move the watch.
●
Do not perform any operation on the watch.
6 o’clock position
Note
●
You may experience time calibration
signal reception problems in the
areas described below.
ー
Among or near buildings
ー
While riding in a vehicle
ー
Near household appliances,
office machines, mobile phones,
etc.
ー
On a construction site, in an
airport, or any other location
where radio wave interference
occurs
ー
Near high-voltage lines
ー
In mountainous areas or behind a
mountain
Operation Guide 5455
6
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