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Operation Guide 5145
49
Home City
Auto Receive Start Times
123456
TPE, SEL,
TYO
Standard
Time
Midnight 1:00 a.m. 2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m.
HKG, BJS
Standard
Time
1:00 a.m. 2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m. —
HNL, ANC,
YVR, LAX,
YEA, DEN,
MEX, CHI,
NYC, YHZ,
YYT
Standard
Time
Summer
Time
Midnight 1:00 a.m. 2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m.
LIS, LON
Standard
Time
1:00 a.m. 2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m. Midnight*
Summer
Time
2:00 a.m. 3:00 a.m. 4:00 a.m. 5:00 a.m. Midnight*
1:00 a.m.*
48
Receiving a Calibration Signal ■
There are two methods you can use in order to receive the time calibration signal.
Auto receive: Reception six times a day (fi ve times for the China signal)x
Manual receive: You hold down x
D
in the Timekeeping Mode.
Auto Receive ■
Auto Receive is performed whenever one of the cities shown in the table below is x
selected as the Home City (page 67). Note however that the initial factory default
setting for auto receive is OFF for the HNL, ANC, and MOW city codes.
For information about how to turn auto receive on or off, see page 57.x
Calibration signal reception will start automatically whenever the current time in x
the Timekeeping mode (page 17) reaches one of the Auto Receive Start Times
shown below. Auto receive is performed up to six times a day (fi ve times for the
China signal). Once a signal receive operation is successful, no more auto receive
operations are performed that day. Note that the Auto Receive Start Times differ
according to the current Home City setting and the summer time setting.
47
Next to a household
appliance or offi ce
equipment (TV, speaker,
fax, computer, cell phone,
etc.)
At a construction site,
airport, or other location
where there is radio
interference
Near mountains
If you are experiencing problems with reception, move away from the types of
locations described above to a location with better reception, and try again.
46
Important! ●
Reception is diffi cult and may even be impossible in the locations described below.
Avoid such locations when performing signal reception.
You should think of your watch as operating like a radio or TV when it is receiving x
the calibration signal.
Among or near buildings Near high-voltage lines Inside an automobile,
train, plane, or other
vehicle
45
Reception Time ■
A receive operation can take anywhere from about two to seven minutes.
Under certain conditions, a receive operation can take as long as 14 minutes.x
Positioning the Watch for Best Reception ■
Remove the watch from your wrist
and place it somewhere so its top
(12 o’clock, where the antenna is
located) is facing approximately in the
direction of the signal transmitter. Keep it
away from metal objects.
Orienting the watch so it is sideways x
to the transmitter makes it more
diffi cult for it to receive the signal.
Do not move the watch while it is x
receiving the calibration signal.
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44
Certain conditions can make reception impossible even when the watch is within ●
one of the reception ranges shown above. Signals become weaker outside of
the smaller circles indicated by dashed lines in the maps above, so the reception
environment has a greater effect on signal reception.
The following also can affect signal reception: geographic contours, structures, x
weather, climate, time of day (afternoon, evening), noise.
Using this watch in an area covered by a time calibration that is different from the ●
areas supported by this watch may result in incorrect time indication due to local
application of summer time, etc.
43
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40
Transmitter Locations
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