Operation Guide 3063
•Proper signal reception can be difficult or even impossible under the conditions listed below.
Inside or | Inside a | Near | Near a | Near high- | Among or |
among | vehicle | household | construction | tension | behind |
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| appliances, | site, airport, | power lines | mountains |
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•Signal reception normally is better at night than during the day.
•Time calibration signal reception takes from one to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operations or move the watch during this time.
•The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below. If you use the watch in Japan or Europe (each of which has two different transmitter locations), it will try to receive the time calibration signal from one of the transmitters in your current location. If it cannot receive the signal, it will then try to receive the time calibration signal from the other transmitter.
Home City Codes and Transmitters| Home City Code | Transmitter | Frequency | |
| LIS, LON, | Anthorn (England) | 60.0 kHz | |
| MAD, PAR, ROM, BER, | |||
Mainflingen (Germany) | 77.5 kHz | ||
| STO, ATH, MOW* | |||
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| HKG*, BJS*, TPE, | Fukushima (Japan) | 40.0 kHz | |
| SEL, TYO | Fukuoka/Saga (Japan) | 60.0 kHz | |
| HNL*, ANC*, YVR, |
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| LAX, YEA, DEN, MEX, | Fort Collins, Colorado | 60.0 kHz | |
| YWG, CHI, MIA, YTO, | (the United States) | ||
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| NYC,YHZ, YYT |
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*The areas covered by the MOW, HKG, BJS, HNL, and ANC city codes are quite far from the time calibration signal transmitters, and so certain conditions may cause problems with signal reception.
| Approximate Reception Ranges | U.S. Signal |
| U.K. and German Signals |
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1,500 kilometers | 2,000 miles |
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Mainflingen | 600 miles |
Anthorn | |
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| Fort Collins |
500 kilometers | 500 kilometers |
500 kilometers | Fukushima |
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Fukuoka/Saga |
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| 1,000 kilometers |
1,000 kilometers |
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Japan Signal
•Signal 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)
•Even when the watch is within the reception range of the transmitter, signal reception will be impossible if the signal is blocked by mountains or other geological formations between the watch and signal source.
•Signal reception is affected by weather, atmospheric conditions, and seasonal changes.
About Auto ReceiveThe watch receives the time calibration signal automatically up to six times a day. When any auto receive is successful, the remaining auto receive operations are not performed. The reception schedule (calibration times) depends on your currently selected Home City, and whether standard time or Daylight Saving Time is selected for your Home City.
| Your Home City |
| Auto Receive Start Times |
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| LIS, LON | Standard Time | 1:00 am | 2:00 am | 3:00 am | 4:00 am | 5:00 am | Midnight* | |
| Daylight | 2:00 am | 3:00 am | 4:00 am | 5:00 am | Midnight* | 1:00 am* | |
| Saving Time |
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| MAD, PAR, ROM, | Standard Time | 2:00 am | 3:00 am | 4:00 am | 5:00 am | Midnight* | 1:00 am* | |
| BER, STO | Daylight | 3:00 am | 4:00 am | 5:00 am | Midnight* | 1:00 am* | 2:00 am* | |
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ATH | Standard Time | 3:00 am | 4:00 am | 5:00 am | Midnight* | 1:00 am* | 2:00 am* | |
| Daylight | 4:00 am | 5:00 am | Midnight* | 1:00 am* | 2:00 am* | 3:00 am* | |
| Saving Time |
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MOW | Standard Time | 4:00 am | 5:00 am | Midnight* | 1:00 am* | 2:00 am* | 3:00 am* | |
| Daylight | 5:00 am | Midnight* | 1:00 am* | 2:00 am* | 3:00 am* | 4:00 am* | |
| Saving Time |
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| HKG, BJS, TPE, | Standard Time | Midnight | 1:00 am | 2:00 am | 3:00 am | 4:00 am | 5:00 am | |
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| HNL, ANC, YVR, | Standard Time |
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| LAX,YEA, DEN, | Daylight |
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| MEX,YWG, CHI, | Midnight | 1:00 am | 2:00 am | 3:00 am | 4:00 am | 5:00 am | ||
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* Next day
•When a calibration time is reached, the watch will receive the signal only if it is in either the Timekeeping Mode or World Time Mode. Reception is not performed if a calibration time is reached while you are configuring settings, or while a countdown operation is in progress.
•Auto receive of the calibration signal is designed to be performed early in the morning, while you sleep (provided that the Timekeeping Mode time is set correctly). Before going to bed for the night, remove the watch from your wrist, and put it in a location where it can receive the signal easily.
•The watch takes from one to 14 minutes to receive the time calibration signal whenever a calibration time is reached. Avoid performing any button operation within 14 minutes before or after any one of the calibration times. Doing so can interfere with correct calibration.
•Remember that reception of the calibration signal depends on the current time in the Timekeeping Mode. The receive operation will be performed whenever the display shows any one of the calibration times, regardless of whether or not the displayed time actually is the correct time.
About the Level IndicatorThe level indicator shows the strength of the calibration signal being received. For best reception, be sure to keep the watch in a location where signal strength is strongest.
Level indicator
Weak | Strong |
(Level 0) | (Level 3) |
•Use the level indicator as a guide for checking signal strength and for finding the best level for the watch during signal receive operations.
•Even in an area where signal strength is strong, it takes about 10 seconds for signal reception to stabilize enough for the level indicator to indicate signal strength.
•Following reception of the time calibration signal and calibration of the watch’s time setting, the “signal received” indicator (RCVD) will remain on the display in all modes.
•The signal received indicator (RCVD) is displayed only when the watch is able to receive both time and date data successfully. It does not appear when only time data is received.
•The signal received indicator (RCVD) indicates that at least one of the auto calibration signal receive operations was successful, even if other receive operations failed.
To perform manual receive1. Enter the Timekeeping Mode.
2. Place the watch on a stable surface so its 12 o’clock side is facing towards a window.
3. Hold down Dfor about two seconds until RC! appears on the display.
• Time calibration signal reception takes from one to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operations or move the watch during this time.
• If the receive operation is successful, the reception date and time appear on the display, along with the GET indicator.
The watch will enter the Timekeeping Mode if you press Dor if you do not perform any button operation for about two or three minutes.
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| • If the current reception fails but a previous reception was | |
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| successful, the display shows the previous reception’s | |
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| Receive time | date and time, and the ERR indicator. | ||||
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| Receive failed | were successful. | |||||||||
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| changing the time setting if you press Dor if you do not | |
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| perform any button operation for about two or three | |
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| To turn auto receive on and off | ||||||||||
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| 1. In the Timekeeping Mode, press Dto display the Last | |
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| 2. Hold down Auntil the current auto receive setting (on | ||||
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| currently selected Home City is one that does not | |
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| support time calibration reception. | ||
On/Off |
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| 3. Press Dto toggle auto receive on (on) and off (OFF). | ||||
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| 4. Press A to exit the setting screen. | ||||
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| • For information about city codes that support signal | ||
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| receive, see “To specify your Home City”. | |
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1. In the Timekeeping Mode, press D to display the Last Signal screen.
•If a previous reception was successful, the display shows its time and date. -
•To return to the Timekeeping Mode, press D.
Receive date
Receive time
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