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Operation Guide 3311 5052
4
Function Status
All functions enabled.
All functions enabled.
Auto and manual receive,
alarm, hourly time signal,
illumination, and display are
disabled. Though the hands of
the watch do not move, time
continues to be kept internally.
All functions, including
timekeeping, disabled.
Level
1
2
3
4
Battery Level
Indicator
(Charge Soon Alert)
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Battery Level Indicator and Charge Indicator
The battery level indicator shows you the current power level of the rechargeable
battery.
• The flashing charge indicator (
C
) at Level 3 tells you that battery power is very low,
and that exposure to bright light for charging is required as soon as possible.
• At Level 4, 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 2
after dropping to Level 4.
• The Home City reverts to
TYO (Tokyo), which means that the watch is configured
to receive the Japanese time calibration signal, whenever battery power drops to
Level 4. If you are using the watch in North America, you will need to configure your
Home City code setting whenever battery power recovers after dropping to Level 4.
• Leaving the watch in direct sunlight or some other very strong light source can cause
the battery level indicator to temporarily show a reading that is higher than the actual
battery level. The correct battery level 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 (
R
) appears on the
display and the following operations become disabled
until battery power recovers.
Illumination
Beeper tone
Coordination between digital and analog timekeeping
Time calibration signal reception
Recover indicator
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.
5 months (from full charge to Level 3 when the watch is not exposed to light)
under the following conditions:
• 1 illumination operation (1.5 seconds) per day
• 10 seconds of alarm operation per day
• 5 times calibration reception per day
2 years under the following condition:
• Watch left in the sleep state
• 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
▲
Exposure Level
(Brightness)
• The above exposure time values are all for reference only. Actual required exposure
times depend on lighting conditions.
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.
You can select either Japanese (kanji) or English for the day of the week indicator.
• For more information, see “To set the current digital time and date manually”.
Day of the Week Indicators
Sunday: SU/ Monday: MO/ Tuesday: TU/ Wednesday: WE/ Thursday: TH/
Friday: FR/ Saturday: SA/
Last Signal Screen
Reception date
Day of week
Press A.
Day
▲
▲
Receiving indicator
A
2 seconds
A
Press D.
Hour : Minutes
PM indicator
Date Screen Receiving Indicator
and Seconds Count
Current Time Screen
▲
▲
Seconds
Reception Time
2 seconds
2 seconds
▲
Day of week
Or
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
3. Use C to display the transmitter screen.
• The transmitter indicator that appears indicates whether the currently selected
Home City code is one that supports time calibration signal reception.
Auto
Receive
DSTCity Code
Seconds
Hour Minutes
12/24-Hour
Format
Day
Month Year
/ Press A.
Press C.
Power
Saving
Transmitter
C
C
A
Language
Transmitter/
City Settings
Time/Date
Settings
• appears for the trasmitter while
NYC
,
CHI
,
DEN
,
LAX
,
ANC
, or
HNL
is selected as the Home City. In this case, there is not need to select a
transmitter.
• You can change the transmitter when
HKG
,
TYO
, or
SEL
is selected as the
Home City. For details, see “To configure the transmitter selection mode setting”.
4. Use C and A to select the other time and date settings, and change the settings
as described above.
5. When the setting you want to change is flashing, use B and/or D to change it as
described below.
Means this:
The currently selected Home City code supports signal reception.
The currently selected Home City code does not support signal
reception.
This indicator:
To check the current battery level
In the Timekeeping Mode, press C once to display the battery level indicator.
• The battery level indicator shows the battery level either as HI (Level 1) or MID
(Level 2).
• If the battery level drops below Level 2 (MID), a charge soon alert (Level 3) is
displayed in all modes.
Battery level indicator
or