Operation Guide 3040
❚To position the watch for optimum
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.
Time Required for Reception
Signal reception takes anywhere from about one to seven minutes.
•Under certain conditions, signal reception can take as long as 13 minutes.
•For information about turning auto receive on and off, see “To turn auto receive on and off”.
❚To trigger signal reception manually
❚To interrupt reception
Press the Dbutton to interrupt time calibration signal reception.•All other buttons besides Dare disabled during manual signal reception.
When reception is successful
Receive Level Indication
The receive level cycles through the | Receive Level | |
values shown below while reception |
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is in progress.Keep the watch in a |
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location where reception is stable |
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while reception is in progress. |
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Resin Band
Metal Band
•Orienting the watch so it is sideways to the transmitter makes it more difficult to receive the signal.
•Do not move the watch while it is receiving the calibration signal.
In the Timekeeping Mode, press the the Receive Mode.
Hold down the Dbutton for about two seconds.•This causes “RC” to appear on the display and starts signal reception.
•During signal reception, the receive level (see “Receive Level Indication”) cycles through its values and the transmitter indicator (see “Transmitter Indicator”) flashes on the display.
Cbutton five times to enter
Receive Level
Transmitter Indicator
After reception is complete, the watch adjusts its current time setting and then its current date setting.
•After the date and time of the adjustment appears on the display, press the Cbutton to return to the Timekeeping Mode. The watch will also return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes.
Reception Error (ERR Indicator)
In the case of an error, the watch will not adjust its current time setting, but display “ERR” instead.
•If the “ERR” indicator is displayed, you can clear it manually by pressing the Cbutton. The error will also clear automatically if you do not perform any operation for about two or three minutes.
Unstable 
Stable
•Even under optimum reception conditions, it can take about 10 seconds for reception to stabilize.
•Use the receive level indication to check reception status and to determine the best location for signal reception.
•Note that weather, the time of day, surroundings, and other factors can all affect reception.
Transmitter Indicator
A transmitter indicator flashes during signal reception to indicate the transmitter whose signal is being received.
• The transmitter indicator remains
displayed (stops flashing) after |
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signal reception is successful. |
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The currently displayed |
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transmitter indicator is cleared at | Transmitter Indicator | ||||
the first signal reception operation | |||||
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on the following day. See |
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“Receiving the Calibration Signal” |
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for more information. |
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JP40 ·················· Japanese time calibration signal (40 kHz) JP60 ·················· Japanese time calibration signal (60 kHz) US60 ·················· United States time calibration signal GE77.5 ··············· German time calibration signal
UK60 ·················· United Kingdom time calibration signal❚To view the last reception date and time
In the Timekeeping Mode, press the C button five times to enter the Receive Mode.
•This displays the date and time when signal reception was last successful, and the current time and date were last adjusted.
•The day screen and time screen alternate at
•If there have been no successful receptions, the last reception time will show “- -
•To return to the Timekeeping Mode, press the Cbutton again.
•The watch will return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes.
Reception | Reception |
Date | Time |
❚To turn auto receive on and off
You can turn off auto received so it is not performed each day.
•You can turn auto receive on or off while a city that supports auto receive is selected as your Home City.
•For details about city codes that support time calibration signal reception, see “Reception Ranges”.
1. In the Timekeeping Mode, press the Cbutton five times.• This displays the last reception date and time screen.
•The watch will return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes.
2. Press the Abutton until ON or OFF flashes on the display.• This is the setting screen.
•This will exit the setting screen and return to the last reception date and time screen.
•Press the Cbutton to return to the Timekeeping Mode.
•The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes.
When auto receive is turned on...
•When the Home City is TYO, SEL, TPE, BJS, or HKG Auto receive and auto transmitter selection turn on. The watch automatically selects either the Otakadoya Mountain signal (40 kHz) or the Hagane Mountain signal (60 kHz), whichever is strongest.
•The transmitter from which a signal was last successfully received will be given priority for the next auto receive operation.
•When the Home City is HNL, ANC, YVR, LAX, YEA, DEN, MEX, YWG, CHI, MIA, YTO NYC, YHZ, or YYT
Auto receive turns on, and the watch receives the signal from Ft. Collins, Colorado.
•When the Home City is LIS, LON, MAD, PAR, ROM, BER, STO, ATH, or MOWAuto receive and auto transmitter selection turn on. The watch automatically selects either the U.K. (Rugby, Warwickshire) transmitter or German (Mainflingen) transmitter, whichever is strongest.
•The transmitter from which a signal was last successfully received will be given priority for the next auto receive operation.
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