MO0306-EB
Operation Guide 2582 2586
About This Manual
•Button operations are indicated using the letters shown
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| in the illustration. |
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| • Each section of this manual provides you with the | |
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| information you need to perform operations in each |
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| mode. Further details and technical information can be |
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| found in the “Reference” section. |
General Guide
•Press Cto change from mode to mode.
•In any mode, press L to illuminate the display.
Timekeeping Mode | Time Zone Mode |
| Press C. |
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Timekeeping
This watch automatically adjusts its time setting in accordance with the time calibration signal (Call Sign: DCF77) transmitted from Mainflingen, Germany. You can also perform a manual procedure to set the time and date, when necessary.
Important!
•Before using the watch for the first time after purchasing it, use the procedure under “To specify your time zone” to specify your time zone, and then perform the procedure under “To trigger a calibration signal receive operation manually”.
•Time calibration reception is limited to specific geographic areas in West Europe.
Setting the Time and Date
There are three different methods you can use to set the watch’s time and date.
•Auto receive of the time calibration signal
•Manual receive of the time calibration signal
•Manual setting without using the time calibration signal
No matter which method you use, you must specify your time zone first (see below).
Specifying Your Time Zone
Use the Time Zone Mode to specify your current time zone. If you move to a different time zone either inside or outside of the West Europe, simply change the time zone setting and the watch adjusts its current time and date settings accordingly.
•See the “Time Zone Table” for information about time zones and applicable cities.
To specify your time zone
Alarm Mode | Date Alert Mode |
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| Stopwatch Mode |
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•If the receive indicator does not appear when you hold down D, it means that signal receive is turned off. Use the procedure under “To turn signal receive on and off” to turn it on.
•To interrupt a receive operation, hold down D for about three seconds.
Switching between Standard Time and Summer Time
The time calibration signal sent from Mainflingen includes standard time and summer time information. This means that if you are in an area that switches between summer time and standard time on the same days as Germany, you do not need to make any manual adjustments.
When you are in an area that does not correspond to German summer time and standard time, you can use the following procedure to turn on summer time (Daylight Saving Time or DST) and advance the current time by one hour, when necessary.
•Note that not all countries or local areas use summer time.
•If the watch receives a time calibration signal in an area that corresponds to the German time zone, the time is adjusted in accordance with the time calibration signal data. If you are in an area outside of Germany that corresponds to the German time zone but does not follow summer time, you need to use the procedure under “To specify your time zone” to select the time zone to the west of the time zone where you are located.
To switch between standard time and summer time
1. Use C to enter the Time Zone Mode.
• Note that you cannot switch manually between
Time zone differential value
1. Use Cto enter the Time Zone Mode.
2. Hold down Buntil the current time zone differential value starts to flash, which indicates the setting screen.
• The time zone differential value indicates the number of hours difference in time between the currently selected time zone and UTC (Universal Time Coordinated) in Greenwich, England.
standard time and summer time while the time zone differential setting is 0h, 1h, or 2h, and signal receive is turned on. In this case, the DST On/Off setting does not appear in step 3 below. Be sure to turn signal receive off before switching between standard time and summer time while the time zone differential setting is 0h, 1h, or 2h.
2. Hold down Buntil the current time zone differential value starts to flash, which indicates the setting screen.
3. Use A(+) and
4. Press B to exit the setting screen.
• If you are in an area that corresponds to the German time zone (1h) but does not follow summer time (Daylight Saving Time or DST), select the time zone to the west of the German zone. This means you would select the time zone with a time differential of 0h instead of 1h in order to cancel the effect of summer time (DST).
Time Calibration Signal Reception
Removing the watch from your wrist and positioning it as shown in the illustrations below helps to optimize signal reception.
•If your watch has a resin band, pass the end of the band through the band loop and place the watch on a stable surface.
Resin band | Metal band |
Pass through band loop.
Note
See “Time Calibration Signal Reception Precautions” for important information about time calibration signal reception.
To trigger a calibration signal receive operation manually
1. Use Cto enter the Timekeeping Mode.
Receive indicator | 2. Place the watch on a stable surface to its top (12 | |||||
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| o’clock side) is facing in the general direction of |
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| Mainflingen, Germany. |
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| • This puts the watch in the optimum position for time |
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| calibration signal reception. |
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| 3. Hold down Dfor about three seconds, until the receive |
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| indicator starts to flash, which indicates that signal |
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| reception has started. |
• Signal reception takes from two to five minutes. Take care that you do not move the watch during this time.
• The receive indicator stops flashing and remains on the display when signal reception is complete. The receive indicator remains on the display for three days after a successful signal reception. The receive indicator does not appear if signal reception is unsuccessful for some reason.
3. Press Ctwice to display the DST On/Off setting screen.
• Each press of C moves the flashing in the sequence shown below to select other settings.
Time Zone |
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| DST On/Off |
Differential |
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| On/Off |
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4.Press Aor D to toggle between standard time (oFF) and summer time (on).
•The DST indicator is on the display while summer time is turned on.
5.Press Bto exit the setting screen.
•The summer time setting affects all time zones.
•The summer time setting does not affect UTC.
Calibration Signal Auto Receive
This watch is designed so that timekeeping accuracy is directly proportional to the number of successful signal receptions the watch is able to receive (automatic gain control). Because of this, we recommend that you always keep auto receive turned on when you are within range of the Mainflingen transmitter.
•Auto receive is performed at 2:00AM German time each day, regardless of the Timekeeping Mode time shown on the watch’s display. It is best to remove the watch from your wrist and put it in a location where it can easily receive the signal prior to 2:00AM German time.
•The auto receive operation is performed everyday no matter what mode the watch is in.
•This watch is shipped from the factory with auto receive turned on. You can change the auto receive setting using the procedure under “To turn signal receive on and off”.
To turn signal receive on and off
1.Use C to enter the Time Zone Mode.
2.Hold down Buntil the current time zone differential value starts to flash, which indicates the setting screen.
3.Press Conce to display the Signal Receive On/Off setting screen.
4.Press Aor D to toggle between Signal Receive (auto and manual) on (on) and off (oFF).
5.Press Bto exit the setting screen.
•If you use the above procedure to turn on signal receive, the watch performs a signal receive operation (indicated by the flashing icon) when you exit the setting screen in step 5.
•To stop an ongoing signal receive operation, enter the Timekeeping Mode and then hold down Dfor about
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