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Operation Guide 3034
4
• The LOW indicator flashes on the display in the Timekeeping Mode when battery is
at Level 3.
• The LOW indicator at Level 3 and the flashing charge indicator (CHG) at Level 4 tell
you that battery power is very low, and that exposure to bright light for charging is
required as soon as possible.
• At Level 5, all functions are disabled and settings return to their initial factory
defaults. Functions are enabled once again after the rechargeable battery is
charged, but you need to set the time and date, after the battery reaches Level 4
(indicated by the flashing charge indicator) from Level 5. You will not be able to
configure any of the other settings until the battery reaches Level 3 (no charge
indicator) after dropping to Level 5.
•
Leaving the watch in direct sunlight or some other very strong light source can cause the
battery power indicator to show a reading momentarily that is higher than the actual
battery level. The correct battery power indicator should appear after a few minutes.
• If you use the light or alarms a number of times during a short period, the recover
indicator (RECOV) appears and the following operations become disabled until
battery power recovers.
Illumination
Beeper tone
Time calibration signal reception
After some time, battery power will recover and the recover indicator will disappear,
indicating that the above functions are enabled again.
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
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.
• Display on 18 hours per day, sleep state 6 hours per day
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• 10 minutes of signal reception per day
• Stable operation is promoted by frequent exposure to light.
Charging Guide
After a full charge, timekeeping remains enabled for up to about 8 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.
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
10 hours
37 hours
60 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)
Approximate Exposure Time
Level 5 Level 4 Level 3 Level 2 Level 1
2 hours
6 hours
9 hours
98 hours
35 hours
134 hours
216 hours
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Timekeeping
Use the Timekeeping Mode to set and view the current time and date.
• You can also use the Timekeeping Mode setting screen to specify the illumination
duration and 12/24-hour format, to toggle power saving on and off, and to show or
hide the date/day of the week on the main timekeeping screen.
• In the Timekeeping Mode, you can press A to change the display format as shown
below. For information about what the main timekeeping screen looks like when the
date and day of the week are not displayed, see “Hiding the Date/Day of the Week”.
• Pressing C in the Timekeeping Mode will display the Last Signal screen.
Hour : Minutes
PM indicator
Month – Day
▲
Press A.
Day of week
▲
▲
Day of the Week Screen
Last Signal Screen
▲
▲
Press C.
Press C.
Seconds
DST indicator
▲
Setting the Time and Date
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
1.In the Timekeeping Mode, hold down A until the city
code starts to flash, which indicates the setting screen.
2.Press B to change the flashing contents in the
sequence shown below to select other settings.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
City code
Seconds
Hour
Minutes
12/24-Hour
Format
Month Year
DST
Day
Power
Saving
Show/Hide
Date and Day
City Code
Screen: To do this:
Change the city code
Cycle between auto DST (AT), Standard
Time (
OFF), and Daylight Saving Time
(ON)
Toggle between 12-hour (
12H) and 24-
hour (
24H) timekeeping
Do this:
Use C (east) and L
(west).
Press C.
Press C.
3. When the setting you want to change is flashing, use C and/or L to change it as
described below.
Reset the seconds to 00
Toggle the illumination duration setting
between 1.5 seconds (
) and 2.5 seconds
( )
Change the hour, minutes, or year
Change the month or day
Toggle Power Saving on ( ) and off
(
)
Show or hide (indicated by ---) the date/
day of the week on the main timekeeping
screen
Press C.
Press L.
Use C (+) and L (–).
Press C.
Press C.
• See “City Code Table” for a complete list of available city codes.
• Auto DST (
AT) can be selected only while LIS, LON, BCN, MAD, PAR,
MIL, ROM, BER, STO, or ATH is selected as the Home City code. For more
information, see “Daylight Saving Time (DST)” below.
• For information about settings other than the time and date, see the following.
Illumination duration: Illumination
Power Saving: Power Saving Function
• For details about showing or hiding the date/day of the week, see “Hiding the
Date/Day of the Week”.
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 Rugby and Mainflingen 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 received time signal.
• The default DST setting is Auto DST (
AT) whenever you select LIS, LON,
BCN, MAD, PAR, MIL, ROM, BER, STO, or ATH 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 B and the DST setting screen appears.
3. Use C to cycle through the DST settings in the sequence shown below.
Auto DST (
AT
) DST off (
OFF
) DST on (
ON
)
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.