Operation Guide 5240
Anthorn
500 kilometers
1,500 kilometers
Mainflingen
The Anthorn signal is receivable within this area.
| Japanese Signals | Chinese Signal | |
| North American Signal | Fukushima | 500 kilometers | Changchun |
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| 500 kilometers |
| Beijing |
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2,000 miles | Fukuoka/Saga |
| Shangqiu |
(3,000 kilometers) |
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| Shanghai |
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600 miles |
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| Chengdu |
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| Hong Kong | |
(1,000 kilometers) |
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Fort Collins | 1,000 kilometers |
| 1,500 kilometers |
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ξSignal reception may not be possible at the distances noted below during certain times of the year or day. Radio interference may also cause problems with reception.
−Mainflingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310 miles)
−Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
−Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)
−Shangqiu (China) transmitter: 500 kilometers (310 miles)
ξAs of December 2010, China does not use Daylight Saving Time (DST). If China does go to the Daylight Saving Time system in the future, some functions of this watch may no longer operate correctly.
ξUsing this watch in a country covered by a time calibration signal that is different from the countries it supports may result in incorrect time indication due to local application of daylight saving time (summer time), etc.
1.Confi rm that the watch is in the Timekeeping Mode. If it isn’t, hold down Cfor at least two seconds to enter the Timekeeping Mode.
2.Place the watch in a location where signal reception is good.
ξPosition the watch as shown in the nearby illustration, with 12 o’clock
pointed towards a window. Make sure there are no metal objects nearby.
ξ Signal reception normally is better at night.
ξ The receive operation takes from two to seven minutes, but in some cases it can take as long as
14 minutes. Take care that you do not perform any button operation or move the watch during this time.
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ξSignal reception may be difficult or even impossible under the conditions described below.
Inside or | Inside a | Near | Near a | Near | Among |
among | vehicle | household | construction | or behind | |
buildings |
| appliances, | site, airport, | power lines | mountains |
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| office | or other |
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| equipment, | sources of |
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| or a mobile | electrical |
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| phone | noise |
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3.What you should do next depends on whether you are using Auto Receive or Manual Receive.
ξAuto Receive: Leave the watch over night in the location you selected in step 2. See “Auto Receive” on page
ξManual Receive: Perform the operation under “To perform manual receive” on page
ξWith Auto Receive, the watch performs the receive operation each day automatically up to six times (up to five times for the Chinese calibration signal) between the hours of midnight and 5 a.m. (according to the Timekeeping Mode time). When any receive operation is successful, none of the other receive operations for that day are performed.
ξWhen a calibration time is reached, the watch will perform the receive operation only if it is in the Timekeeping Mode. The receive operation is not performed if a calibration time is reached while you are configuring settings.
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1.In the Timekeeping Mode (page
ξMoves to Y (YES) or N (NO) to indicate the last signal reception result, then to R (READY).
2.The x Second Hand indicates the operations the watch is currently performing.
When the x Second Hand is It means this: pointed here:
| R (READY) | Watch is setting up for reception. |
W (WORK) | Reception is in progress. |
ξ If signal reception is unstable, the x Second Hand may move between W (WORK) and R (READY).
ξ When the receive operation is successful, the watch adjusts the time setting accordingly, and then resumes regular timekeeping. It does not adjust the setting if the operation failed.
Note
ξTo interrupt a receive operation and return to the Timekeeping Mode, press any button.
To check the result of the latest receive operation
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| In the Timekeeping Mode, press B. The x Second |
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| Hand will move to Y (YES) or N (NO) to indicate the last |
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| calibration signal receive result. |
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| ξ The x Second Hand will move to Y (YES) if the latest |
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| receive operation was successful, or N (NO) if it was not. |
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| After about 10 seconds, regular timekeeping will resume. | |
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| ξ Press Bto return to regular timekeeping. The watch will |
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| also return to regular timekeeping if you do not perform |
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| any operation for about 10 seconds. |
Note
ξThe x Second Hand will indicate N (NO) if you have adjusted the time or day setting manually since the latest receive operation.
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Y (YES)
N (NO)
1.In the Timekeeping Mode, press B. The x Second Hand will move to Y (YES) or N (NO) to indicate the last calibration signal receive result.
2.Pull out the crown.
The x Second Hand will perform one full revolution and then stop at the current on/off setting.
3.Rotate the crown to move the x Second Hand to the setting you want.
ξTo turn on auto receive, select Y (YES).
ξTo turn off auto receive, select N (NO).
4.Push the crown back in to return to the Timekeeping Mode.
ξStrong electrostatic charge can result in the wrong time setting.
ξEven if a receive operation is successful, certain conditions can cause the time setting to be off by up to one second.
ξThe watch is designed to update its day setting automatically for the period from January 1, 2000 to December 31, 2099. Updating of the day setting by signal reception will no longer be performed starting from January 1, 2100.
ξIf you are in an area where signal reception is not possible, the watch keeps time with the precision noted in “Specifications” (page
ξThe receive operation is disabled under any of the following conditions.
−While power is at Level 2 or lower (page
−While the watch is in the power recovery mode (page
−While the watch is in the function sleep state (power saving, page
−While the watch is in the World Time Mode (page
−While a countdown timer operation is in progress (page
ξA receive operation is cancelled if an alarm sounds while it is being performed.