Operation Guide 5285 (OC)
ξSignal reception may be difficult or even impossible under the conditions described below.
Inside or among Inside a vehicle | Near household | Near a | Near high- | Among |
buildings | appliances, | construction | tension power | or behind |
| office | site, airport, or | lines | mountains |
| equipment, or a | other sources of |
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| mobile phone | electrical 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. When any receive operation is successful, none of the other receive operations for that day are performed.
ξCalibration signal reception is disabled while the watch is in the Stopwatch Mode and an elapsed time measurement operation is in progress.
ξCalibration signal reception is disabled while the crown is pulled out.
1.Hold down Cfor at least two seconds to enter the Dual Time Mode (page
2. Press B.
ξ The x Second Hand will move to Y (YES) if the latest receive operation was successful, or N (NO) if it was not. After about ten seconds, regular timekeeping will resume.
ξ You can return to the Dual Time Mode manually by pressing Bwhile the
x Second Hand is pointing to Y (YES) or N (NO). | |
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ξThe x Second Hand will indicate N (NO) if you have adjusted the time or date setting manually since the latest receive operation.
To turn auto receive on and offY (YES) | 1. | Hold down Cfor at least two seconds to enter the Dual Time Mode (page | |||||||
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| 2. | Press B. | ||
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| During the 10 seconds that the x Second Hand is pointing to the latest | ||
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| 3. | ||||
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| receive operation result (see above), pull out the crown to the Þ rst click. |
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| ξ This will cause the x Second Hand to point to either Y (YES) or N (NO), |
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| which indicates the current on/off setting. | ||
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| ξ Leaving the crown pulled out for more than two minutes without | ||
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| performing any operation will automatically cause crown operations to |
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N (NO) |
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| become disabled. If this happens, press the crown back in, pull it out, | ||||
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| and then start the operation over again. | |||||
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Mode Reference Guide
Your watch has two ÒmodesÓ. The mode you should select depends on what you want to do.
| To do this: | Enter this mode: | See: |
ξView the current time in your Home City and in one of 29 other cities around the globe
ξView the current date in the Home City
ξ Configure Home City and daylight saving time (DST) settings | Dual Time Mode | |||||||||
ξ Perform a time calibration signal receive operation |
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ξ Configure World Time City and summer time settings |
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ξ Swap the Home City and World Time City |
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Use the stopwatch to measure elapsed time | Stopwatch Mode | |||||||||
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| Dual Time Mode |
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| Stopwatch Mode |
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Indicates the day of the week |
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| Indicates the 1/20 (0.05) second | |||
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| (Su/Mo/Tu/We/Th/Fr/Sa). |
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Configuring Home City Settings
The Home City is location where you will normally use the watch. You can choose from a selection of city codes that represent 29 cities around the globe.
ξFor information about specifying a World Time City, see “Checking the Current Time in a Different Time
Zone” (page
1.Hold down Cfor at least two seconds to enter the Dual Time Mode (page
2.Hold down Bfor at least two seconds.
ξThe x Second Hand will first indicate the last receive results as either Y (YES) or N (NO), and then move to R (Receive in progress) to indicate that signal reception has started.
3. The watchÕs time setting is adjusted automatically whenever a receive operation is successful.
Note
ξ The current time indication may become out of sync by two or three minutes while a receive operation is in progress. Correct indication will resume after the receive operation is complete. If you need to produce a correct time
reading immediately, press any button to stop the receive operation. | |
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| ξ If reception fails for some reason, check the surrounding area and eliminate |
| possible causes for failure and then try again. See “To get ready for a |
| receive operation” (page |
4.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).
5.Push the crown back in to return to the Dual Time 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 the date and day of the week automatically for the period from January 1, 2000 to December 31, 2099. Updating of the date 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 Level 3 (page
−While the watch is in the power recovery mode (page
−While the watch is in the sleep state (power saving, page
Timekeeping (Dual Time Mode)
To enter the Dual Time Mode, hold down Cat least two seconds.
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| Hand Functions |
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| z Hour Hand |
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| x Second Hand |
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| c Minute Hand |
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| v Hour Hand |
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| b Small Minute Hand: World Time minute hand |
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| n Small Hour Hand: World Time hour hand | ||
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| m Small Hour Hand |
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| , Lower Dial Hand: Indicates the current day of the week. |
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| . Day Indicator |
ξPressing Acauses the x Second Hand to move to the current Home City for about one second.
ξThe . Day Indicator will change gradually between approximately 10 p.m. and 2 a.m. During this period the number indicating the day will not be centered in the indicator window.
2. Rotate the crown to move the x Second Hand to the city code you want to select as your Home City.
ξ Each time you select a city code, the z Hour Hand, c Minute Hand and . Day Indicator move to the current time and date for that city code.
ξ Whenever you move the x Second Hand to 12 o’clock while selecting a city code, it will automatically perform one full revolution and stop at
TOKYO (TYO)
Note
ξThis watch does not have a city code that corresponds to Newfoundland.
1.Pull out the crown to the second click.
ξThis will cause the x Second Hand to move to the city code of the currently selected Home City.
ξThis indicates the city code setting mode.
ξLeaving the crown pulled out for more than two minutes without performing any operation will automatically cause crown operations to become disabled. If this happens, press the crown back in, pull it out, and then start the operation over again.
ξFor details about city codes, see the “City Code Table” at the back of this manual.
12 o’clock from the opposite direction.
ξ The , Lower Dial Hand shows the summer time setting for the | ||
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| currently selected Home City. |
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| 3. Push the crown back in to return to the Dual Time Mode. |