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Operation Guide 3309 3345
4
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
• Since these are the specs, we can include all the technical details.
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• 5 times calibration reception per day
• Stable operation is promoted by frequent charging.
Charging Guide
After a full charge, timekeeping remains enabled for up to about 5 months.
• 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.
Recovery Times
The table below shows the amount exposure that is required to take the battery from
one level to the next.
10 hours
48 hours
99 hours
5 hours
22 hours
46 hours
– – –
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
Level 4 Level 3 Level 2 Level 1
▲
▲
▲
1 hour
4 hours
8 hours
76 hours
▲
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
Exposure Level
(Brightness)
Timekeeping
Use the Timekeeping Mode to set and view the current time and date. This section
also explains how to manually set the current date and time.
• When setting the time, you can also configure settings for the illumination duration,
the 12/24-hour format, and power saving on/off.
• All of the operations in this section are performed in the Timekeeping Mode, which
you can enter by pressing C.
Last Signal Screen
Reception date
Day of week
Press A.
Day
▲
▲
▲
Receiving
indicator
▲
A
2 seconds
2 seconds
2 seconds
A
Press D.
Hour :
Minutes
Reception Time
PM indicator
Date Screen
Receiving
Indicator and
Seconds Count
Current Time
Screen
▲
Seconds
Setting the Digital 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 current digital time and date manually
1.In the Timekeeping Mode, hold down A until the
transmitter indicator starts to flash, which indicates the
setting screen.
• The second hand will move at high speed to the 12
o’clock position, where it will stop.
2.Use A or C to move the flashing in the sequence
shown below to select other settings.
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Transmitter indicator
Auto
Receive
DSTCity Code
Seconds
Hour Minutes
12/24-Hour
Format
Day
Month Year
/ Press A.
Press C.
Power
Saving
Transmitter
C
C
A
Transmitter/
City Settings
Time/Date
Settings
Screen: To do this:
Change the transmitter setting (AT,
MSF, or DCF)
Change the city code
Toggle between Daylight Saving
Time (
ON) , Standard Time (OF),
or Auto DST (A)
Toggle between auto receive on
(
ON) and off (OF)
Do this:
Use D.
Use D (east) and B (west).
Press D.
Press D.
3. When the setting you want to change is flashing, use B and/or D to change it as
described below.
Transmitter/City Settings
• See “City Code Table” for a complete list of available city codes.
Screen: To do this:
Toggle between 12-hour ( ) and
24-hour ( ) timekeeping
Reset the seconds to
Toggle the illumination duration
setting between 1.5 second (
) and
2.5 seconds ( )
Change the hour or minutes
Change the year
Change the month or day
Toggle Power Saving on (
ON
) and
off (
OF
)
Do this:
Press D.
Press D.
Press B.
Use D (+) and B (–).
Use D (+) and B (–).
Use D (+) and B (–).
Press D.
Time/Date Settings
• For information about settings other than the time and date, see the following.
Illumination duration: Illumination
Power Saving: Power Saving Function
4. Use A to exit the setting screen.
• If a Transmitter/City Setting screen is displayed, press A twice.
• If a Time/Date Setting screen is displayed, press A once.
• The second hand will advance at high speed to the correct position in accordance
with the digital time seconds count, and resume normal movement from there.
• When you exit the setting screen, the analog hands are adjusted automatically to
match the digital time. See “Analog Timekeeping” for more information.
Note
• See “Transmitters” for more information.
• Auto DST (
A) can be selected only while BER, PAR, LON, or ATH is selected as the
Home City code. For more information, see “Daylight Saving Time (DST)” below.
• The auto receive setting is used for time calibration signal reception only. See “About
Auto Receive” for details.
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 Rugby and Mainflingen includes 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 received time signal.
• The default DST setting is Auto DST (
A) whenever you select BER, PAR, LON,
or
ATH as your Home City code.
• If you experience problems receiving the time calibration signal in your area, it is
probably 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 transmitter indicator starts to
flash, which indicates the setting screen.
2. Press C twice and the DST setting screen appears.
3. Use D to cycle through the DST settings in the sequence shown below.
4. When the setting you want is selected, press A twice to exit the setting screen.
• The DST indicator appears on the display to indicate that Daylight Saving Time is
turned on.
Auto DST (
A
) DST off (
OF
) DST on (
ON
)
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
• The hands for the analog timepiece move to adjust to a new setting whenever any of
the following occurs.
When you change the digital time setting manually
When the digital time setting is changed by time calibration signal reception
When you change the Home City code and/or DST setting
• If the analog time does not match the digital time for any reason, use the procedure
described under “To adjust the analog time” to match the analog setting to the digital
setting.
• Whenever you need to adjust both the digital and the analog time settings manually,
make sure you adjust the digital setting first.
• Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before they stop moving.