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Operation Guide 3159
5
Exposure Level (Brightness)
Outdoor Sunlight (50,000 lux)
Sunlight Through a Window (10,000 lux)
Daylight Through a Window on a Cloudy Day (5,000 lux)
Indoor Fluorescent Lighting (500 lux)
Approximate
Exposure Time
5 minutes
24 minutes
48 minutes
8 hours
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.
• For details about the battery operating time and daily operating conditions, see the
“Power Supply” section of the Specifications.
• Stable operation is promoted by frequent exposure to light.
Recovery Times
The table below shows the amount exposure that is required to take the battery from
one level to the next.
Approximate Exposure Time
Level 5 Level 4 Level 3 Level 2 Level 1
2 hours 20 hours 6 hours
8 hours 99 hours 27 hours
15 hours 201 hours 54 hours
171 hours - - - - - - - - - - - - - - - -
Exposure Level
(Brightness)
Outdoor Sunlight
(50,000 lux)
Sunlight Through a
Window (10,000 lux)
Daylight Through a
Window on a Cloudy
Day (5,000 lux)
Indoor Fluorescent
Lighting (500 lux)
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
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Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
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 are displayed in accordance with the time and
date settings you configure in the Timekeeping Mode.
Current Time
PM indicator
Hour : Minutes
Seconds
Day of week
Month. Day
To set the time and date manually
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Use D and B 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
Tab le ”.
3. Press C to move the flashing in the sequence shown below to select the other
settings.
Seconds
12/24-Hour
Format
Hour
Minutes
DST
Month
Year
City Code
DayPower Saving
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4. When the timekeeping setting you want to change is flashing, use D or B to
change it as described below.
Change the city code
Cycle between Auto DST (AvtA), Daylight
Saving Time (
ON) and Standard Time
(OFF).
Toggle between 12-hour (
) and 24-
hour ( ) timekeeping
Reset the seconds to
Change the hour and minutes
Use D (east) and B
(west).
Press D.
Press D.
Press D.
Use D (+) and B (–).
Screen: To do this: Do this:
5. Press A to exit the setting screen.
• Auto DST (
AvtA) can be selected only while LIS, LON, MAD, PAR, ROM, BER,
STO, ATH , MOW, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI,
MIA, YTO, NYC, YHZ, or YYT is selected as the Home City code. For more
information, see “Daylight Saving Time (DST)”.
• The day of the week is displayed automatically in accordance with the date (year,
month, and day) settings.
Change the year, month, or day
Toggle between Power Saving on ( ) and
off (
)
Use D (+) and B (–).
Press D.
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.
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 2009).
• The default DST setting is Auto DST (
AvtA) whenever you select LIS, LON, MAD,
PAR, ROM, BER, STO, ATH, MOW, TYO, ANC, YVR, LAX, YEA, DEN, MEX, 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 A until the city
code starts to flash, which indicates the setting screen.
2. Press C and the DST setting screen appears.
3. Use D to cycle through the DST settings in the
sequence shown below.
Auto DST (
AvtA
) DST off (
OFF
) DST on (
ON
)
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DST indicator
• If you change your Home City to one that is within the same transmitter area, the
current DST setting (Auto DST) will be retained. If you change to a city that is
outside your current transmitter area, DST will be turned off automatically.
Transmitter
Japan
China
U.S.
Europe (U.K., Germany)
None
Covered City Codes
TPE, SEL, TYO
HKG, BJS
HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI, MIA, YTO,
NYC, YHZ, YYT
LIS, LON, MAD, PAR, ROM, BER, STO, ATH, MOW
All other city codes
4. When the setting you want is selected, press A to 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, alarms,
the Hourly Time Signal, and other beepers all operate
normally.
Mute indicator
To turn the button operation tone on and off
In any mode (except when a setting screen is on the display), hold down C to toggle
the button operation tone on (
not displayed) and off ( displayed).
• Holding down C to turn the button operation tone on or off also causes the watch’s
current mode to change.
• The
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
for a certain period where it is dark. The table below
shows how watch functions are affected by the Power
Saving function.
Power saving indicator
Elapsed Time
in Dark
60 to 70 minutes
6 or 7 days
Display
Blank, with Power Saving
indicator flashing
Blank, with Power Saving
indicator not flashing
Operation
All functions enabled, except for the
display
Auto receive, beeper tone,
illumination, and display are 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.
To recover from the sleep state
Perform any one of the following operations.
• Move the watch to a well-lit area.
• Press any button.
• Angle the watch towards your face for reading.
To turn Power Saving on and off
1. In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2. Press C 9 times until the Power Saving on/off screen
appears.
3.
Press
D
to toggle Power Saving on ( ) and off ( ).
4. Press A to exit the setting screen.
• The Power Saving indicator is on the display in all
modes while Power Saving is turned on.
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On/Off status
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