Operation Guide 3063
Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
•When setting the time, you also can configure settings for the
•Pressing Din the Timekeeping Mode will display the Last Signal screen.
Day of the Week/Date Screen | Last Signal Screen |
▲ | Press D. |
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Setting the Time and Date Manually
Make sure you select your Home City code before you change the current time and date settings. World Time Mode times are all displayed in accordance with the Timekeeping Mode settings. Because of this, World Time Mode times will not be correct if you do not select the proper Home City code before setting the time and date in the Timekeeping Mode.
To set the time and date manually
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| 1. In the Timekeeping Mode, hold down Auntil the city | |
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| l | l l l | l | l | sequence shown below to select other settings. | |
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City code
City CodeDST 
Seconds Hour Format
Power 
Day 
Month 
Year 
Minutes 
Saving
3.When the setting you want to change is flashing, use B and/or Dto change it as described below.
Screen: | To do this: |
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| Change the city code |
| Use D(east) and B(west). | ||
| Cycle between auto DST ( | ), | Press D. | ||
| Standard Time ( | ), and Daylight |
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| Saving Time ( | ) |
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| Toggle between | Press D. | |||
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| Reset the seconds to |
| Press D. | ||
| Change the hour or minutes |
| Use D(+) and B | ||
| Change the year, month, or day |
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| Toggle Power Saving on ( | ) and | Press D. | ||
| off ( | ) |
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•See “City Code Table” for a complete list of available city codes.
• Auto DST (
) can be selected only while LIS, LON, MAD, PAR, ROM, BER, STO, ATH, MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN, MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT is selected as the Home City code. For more information, see “Daylight Saving Time (DST)” below.
• For information about Power Saving, see “Power Saving Function”.
4.Press A to exit the setting screen.
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from Standard Time. Remember that not all countries or even local areas use Daylight Saving Time.
The time calibration signals transmitted from Mainflingen (Germany), Anthorn (England), or Fort Collins (the United States) include both Standard Time and DST data. When the Auto DST setting is turned on, the watch switches between Standard Time and DST (summer time) automatically in accordance with the signals.
•The time calibration signals transmitted from Fukushima and Fukuoka/Saga (Japan)
do not include summer time data.
• The default DST setting is Auto DST (
) whenever you select LIS, LON, MAD, PAR, ROM, BER, STO, ATH, MOW, HKG, BJS, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN, MEX, YWG, CHI, MIA, YTO, NYC, YHZ, or YYT as your Home City code.
•If you experience problems receiving the time calibration signal in your area, it probably is best to switch between Standard Time and Daylight Saving Time (summer time) manually.
To change the Daylight Saving Time (summer time) setting
1.In the Timekeeping Mode, hold down Auntil the city code starts to flash, which indicates the setting screen.
2.Press Cand the DST setting screen appears.
3.Use D to cycle through the DST settings in the sequence shown below.
Auto DST ( ) |
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| DST on ( ) |
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4. When the setting you want is selected, press Ato exit the setting screen.
• The DST indicator appears to indicate that Daylight Saving Time is turned on.
Reference
This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch.
Button Operation Tone
The button operation tone sounds any time you press one of the watch’s buttons. You can turn the button operation tone on or off as desired.
• Even if you turn off the button operation tone, the alarm, hourly time signal, and Countdown Timer Mode alarm all operate normally.
To turn the button operation tone on and off
In any mode (except when a setting screen is on the
Mute indicator display), hold down Cto toggle the button operation tone on (mute indicator not displayed) and off (mute indicator displayed).
•Since the C button is also the mode change button, holding it down to turn the button operation tone on or off also causes the watch’s current mode to change.
•The mute indicator (
) is displayed in all modes when the button operation tone is turned off.
Power Saving Function
When turned on, the Power Saving function enters a sleep state automatically whenever the watch is left in an area where it is dark for a certain period. The table below shows how watch functions are affected by the Power Saving function.
Power saving indicator
Elapsed Time | Display | Operation |
in Dark |
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60 to 70 minutes | Blank, with Power Saving | All functions enabled, except |
| indicator (PS) flashing | for the display |
6 or 7 days | Blank, with Power Saving | Beeper tone, illumination, |
| indicator (PS) not flashing | display, and time calibration |
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| signal reception disabled. |
•Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
•The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch is already in the sleep state when 6:00 AM arrives, however, it will remain in the sleep state.
•The watch will not enter the sleep state while it is in the Stopwatch Mode or Countdown Timer Mode.
To recover from the sleep state
Perform any one of the following operations.
•Move the watch to a
•Press any button.
•Angle the watch towards your face for reading.
To turn Power Saving on and off
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| 1. In the Timekeeping Mode, hold down A until the city | |
lll | l | l l | ll | code starts to flash, which indicates the setting screen. | |||
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| 3. Press Dto toggle Power Saving on ( ) and off | |
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| 4. Press Ato exit the setting screen. | |
• | The Power Saving indicator (PS) is on the display in all |
On/Off status | modes while Power Saving is turned on. |
Auto Return Features
•If you leave the watch in the Alarm Mode for two or three minutes without performing any operation, it returns to the Timekeeping Mode automatically.
•If you leave the watch with a flashing setting on the display for two or three minutes without performing any operation, the watch will exit the setting screen automatically.
Scrolling
The Band D buttons are used in various modes and setting screens to scroll through data. In most cases, holding down these buttons during a scroll operation scrolls through the data at high speed.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when you last exited the mode appears first.
Radio-controlled Atomic Timekeeping Precautions
•Strong electrostatic charge can result in the wrong time being set.
•The time calibration signal is bounced off the ionosphere. Because of this, such factors as changes in the reflectivity of the ionosphere, as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible.
•Even if the time calibration signal is received properly, certain conditions can cause the time setting to be off by up to one second.
•The current time setting in accordance with the time calibration signal takes priority over any time settings you make manually.
•The watch is designed to update the date and day of the week automatically for the period January 1, 2000 to December 31, 2099. Setting of the date by a time calibration signal will not be performed starting from January 1, 2100.
•This watch can receive signals that differentiate between leap years and
•Though this watch is designed to receive both time data (hour, minutes, seconds) and date data (year, month, day), certain signal conditions can limit reception to time data only.
•Normally, the signal reception date shown by the Last Signal screen is the date data included in the received time calibration signal. When only time data is received, however, the Last Signal screen shows the date as kept in the Timekeeping Mode at the time of signal reception.
•If you are in an area where proper time calibration signal reception is impossible, the watch keeps time within ±15 seconds a month at normal temperature.
•If you have problems with proper time calibration signal reception or if the time setting is wrong after signal reception, check your current city code, DST (summer
time), and auto receive settings.
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