Operation Guide 5145
Transmitter Locations |
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42 | 43 |
●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.
ξThe following also can affect signal reception: geographic contours, structures, 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.
■Reception Time
A receive operation can take anywhere from about two to seven minutes.
ξUnder certain conditions, a receive operation can take as long as 14 minutes.
■Positioning the Watch for Best Reception
Remove the watch from your wrist |
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and place it somewhere so its top |
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(12 o’clock, where the antenna is |
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located) is facing approximately in the | 5HVLQEDQG |
direction of the signal transmitter. Keep it |
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away from metal objects. |
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ξOrienting the watch so it is sideways |
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to the transmitter makes it more |
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diffi cult for it to receive the signal. |
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ξDo not move the watch while it is | 0HWDOEDQG |
receiving the calibration signal. |
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●Important!
Reception is diffi cult and may even be impossible in the locations described below. Avoid such locations when performing signal reception.
ξYou should think of your watch as operating like a radio or TV when it is receiving the calibration signal.
Among or near buildings | Near | Inside an automobile, |
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| train, plane, or other |
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| vehicle |
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Next to a household | At a construction site, | Near mountains |
appliance or offi ce | airport, or other location |
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equipment (TV, speaker, | where there is radio |
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fax, computer, cell phone, | interference |
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etc.) |
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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.
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■Receiving a Calibration Signal
There are two methods you can use in order to receive the time calibration signal. ξAuto receive: Reception six times a day (fi ve times for the China signal)
ξManual receive: You hold down D in the Timekeeping Mode.
■Auto Receive
ξAuto Receive is performed whenever one of the cities shown in the table below is 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.
ξFor information about how to turn auto receive on or off, see page 57.
ξCalibration signal reception will start automatically whenever the current time in 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.
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| Auto Receive Start Times |
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Home City |
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TPE, SEL, | Standard | Midnight | 1:00 a.m. | 2:00 a.m. | 3:00 a.m. | 4:00 a.m. | 5:00 a.m. | |
TYO | Time | |||||||
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HKG, BJS | Standard | 1:00 a.m. | 2:00 a.m. | 3:00 a.m. | 4:00 a.m. | 5:00 a.m. | — | |
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HNL, ANC, | Standard |
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YVR, LAX, |
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YEA, DEN, | Time | Midnight | 1:00 a.m. | 2:00 a.m. | 3:00 a.m. | 4:00 a.m. | 5:00 a.m. | |
MEX, CHI, | Summer | |||||||
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NYC, YHZ, | Time |
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YYT |
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| Standard | 1:00 a.m. | 2:00 a.m. | 3:00 a.m. | 4:00 a.m. | 5:00 a.m. | Midnight* | |
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LIS, LON |
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Summer | 2:00 a.m. | 3:00 a.m. | 4:00 a.m. | 5:00 a.m. | Midnight* | 1:00 a.m.* | ||
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