Operation Guide 5161

Charging Precautions

Certain charging conditions can cause the watch to become very hot. Avoid leaving the watch in the areas described below whenever charging its rechargeable battery. Also note that allowing the watch to become very hot can cause its liquid crystal display to black out. The appearance of the LCD should become normal again when the watch returns to a lower temperature.

Warning!

Leaving the watch in bright light to charge its rechargeable battery can cause it to become quite hot. Take care when handling the watch to avoid burn injury. The watch can become particularly hot when exposed to the following conditions for long periods.

•On the dashboard of a car parked in direct sunlight

•Too close to an incandescent lamp

•Under direct sunlight

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Charging Guide

The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations.

Exposure Level (Brightness)

Approximate

 

Exposure Time

Outdoor Sunlight (50,000 lux)

8 minutes

Sunlight Through a Window (10,000 lux)

30 minutes

Daylight Through a Window on a Cloudy Day (5,000 lux)

48 minutes

Indoor Fluorescent Lighting (500 lux)

8 hours

•For details about the battery operating time and daily operating conditions, see the “Power Supply” section of the Specifications (page E-78).

•Stable operation is promoted by frequent exposure to light.

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Recovery Times

The table below shows the amount exposure that is required to take the battery from one level to the next.

Exposure Level

Approximate Exposure Time

 

 

 

 

(Brightness)

Level 5

Level 4

Level 3

Level 2

Level 1

 

 

 

 

▲

 

▲

 

▲

 

 

 

 

 

 

Outdoor Sunlight

 

2 hours

 

 

16 hours

5 hours

(50,000 lux)

 

 

 

 

 

 

 

 

Sunlight Through a

 

4 hours

 

 

58 hours

16 hours

Window (10,000 lux)

 

 

 

 

 

 

 

 

Daylight Through a

 

7 hours

 

 

94 hours

26 hours

Window on a Cloudy

 

 

 

 

 

 

 

 

Day (5,000 lux)

 

 

 

 

 

 

 

 

Indoor Fluorescent

 

76 hours

 

 

- - - - - - - -

- - - - - - - -

Lighting (500 lux)

 

 

 

 

 

 

 

 

•The above exposure time values are all for reference only. Actual required exposure times depend on lighting conditions.

Timekeeping

Read This Before You Set the Time and Date!

This watch is preset with a number of city codes, each of which represents the time zone where that city is located. When setting the time, it is important that you first select the correct city code for your Home City (the city where you normally use the watch). If your location is not included in the preset city codes, select the preset city code that is in the same time zone as your location.

•Note that all of the times for the World Time Mode city codes (page E-32) are displayed in accordance with the time and date settings you configure in the Timekeeping Mode.

•The watch automatically adjusts its analog setting to match the current digital setup of your Home City. If the analog time is not correct even though you are sure the digital setup of your Home City is correct and the watch is performing signal reception properly, check the home positions of the hands and make adjustments if necessary (page E-63).

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To set the time and date manually

1. In the Timekeeping Mode, hold down A for about three seconds. You can release the button after “ADJ” appears on the display.

• At this time, “12H” (12-hour timekeeping) or “24H” (24- hour timekeeping) also will be flashing on the display.

• The second hand will move to 12 o’clock and stop there.

2.Press Cto toggle between 12-hour (12H) and 24-hour (24H) timekeeping.

3.Press Band the city code of the current Home City will flash on the display.

4.Use C to select the city code you want.

•Make sure you select your Home City code before changing any other setting.

•For full information on city codes, see the “City Code Table” at the back of this manual.

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5.Press Bto move the flashing in the sequence shown below to select the other settings.

12/24-Hour City Code DST Seconds Hour Minutes Format

 

Language

 

 

Button

 

 

Day

 

 

Month

 

 

Year

 

 

 

Operation Tone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• The following steps explain how to configure timekeeping settings only.

6.When the timekeeping setting you want to change is flashing, use C to change it as described below.

Screen:

To do this:

 

 

Do this:

 

Toggle between 12-hour (

) and 24-

Press C.

 

hour (

) timekeeping

 

 

 

Change the city code

 

 

 

 

 

 

 

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Screen:

 

To do this:

 

 

Do this:

 

 

Cycle between Auto DST (

), Daylight

Press C.

 

 

Saving Time (

) and Standard Time

 

 

 

(

).

 

 

 

 

 

Reset the seconds to

 

 

 

 

 

 

 

 

 

Change the hour and minutes

 

 

 

 

 

 

 

 

Change the year, month, or day

 

 

 

 

 

 

/

Toggle the button operation tone between

 

 

 

(on) and

(off)

 

 

 

 

 

Change the language of the day of the week

: English : German : Spanish

: Chinese : Japanese

7. Press Ato exit the setting screen.

•Auto DST () can be selected only while LON, PAR, ATH, TYO, HNL, ANC, LAX, DEN, CHI, or NYC is selected as the Home City code. For more information, see “Daylight Saving Time (DST)” below.

•The day of the week is displayed automatically in accordance with the date (year, month, and day) settings.

12-hour and 24-hour timekeeping

•With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for times in the range of noon to 11:59 p.m. and no indicator appears to the left of the hour digits for times in the range of midnight to 11:59 a.m.

•With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without any indicator.

•The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is applied in all other modes.

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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.

•Though the time calibration signals transmitted by the Fukushima and Fukuoka/ Saga, Japan transmitters include summer time data, summer time currently is not implemented in Japan (as of 2010).

•The default DST setting is Auto DST ( ) whenever you select LON, PAR, ATH, TYO, ANC, LAX, DEN, CHI, or NYC 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 A for about three seconds. You can release the button after “ADJ”

 

 

 

 

appears on the display.

 

 

 

 

• At this time, “12H” (12-hour timekeeping) or “24H” (24-

 

 

 

 

hour timekeeping) also will be flashing on the display.

 

 

 

 

2. Press Btwice to enter the Daylight Saving Time

 

 

 

 

setting mode.

DST indicator

 

 

3. Use C to cycle through the DST settings in the

 

 

 

 

 

 

 

 

sequence shown below.

Auto DST (

)

 

 

DST off (

)

 

 

DST on (

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AT (AUTO)

This setting causes the watch to switch between standard time and summer time automatically, in accordance with time calibration signal data. This setting is available only when a city code that supports signal reception is selected as the Home City.

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