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Operation Guide 3310
• The flashing charge indicator (
) at Level 3 tells you that battery power is very low,
C
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.
• 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 (
display and the following operations become disabled
until battery power recovers.
Illumination
Beeper tone
Coordination between digital and analog timekeeping
Time calibration signal reception
After some time, battery power will recover and the
Recover indicator
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
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.
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)
• 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.
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 4
Outdoor Sunlight (50,000 lux)
Sunlight Through a Window
4 hours
(10,000 lux)
Daylight Through a Window
8 hours
on a Cloudy Day (5,000 lux)
Indoor Fluorescent Lighting
76 hours
(500 lux)
• 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.
Date Screen
Receiving Indicator
and Seconds Count
Day
Press A.
L
Current Time Screen
Day of week
Press D.
A
Reception date
2 seconds
Last Signal Screen
2 seconds
) appears on the
R
Approximate Exposure Time
5 minutes
24 minutes
48 minutes
8 hours
Level 3
Level 2
Level 1
1 hour
10 hours
5 hours
48 hours
22 hours
99 hours
46 hours
– – –
Receiving indicator
Seconds
A
Hour : Minutes
PM indicator
Reception Time
2 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.
Transmitter indicator
Press C.
Transmitter/
C
City Settings
Transmitter
A
Time/Date
C
12/24-Hour
Settings
Format
Power
Saving
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.
This indicator:
Means this:
The currently selected Home City code supports signal reception.
The currently selected Home City code does not support signal
reception.
•
appears for the trasmitter while
is selected as the Home City. In this case, there is not need to select a
HNL
transmitter.
• You can change the transmitter when
HKG
Home City. For details, see "To select a frequency for use in Japan".
4. Use C and A to select the other time and date settings, and change the settings
as described in "To set the current digital time and date manually".
5. When the setting you want to change is flashing, use B and/or D to change it as
described below.
Transmitter/City Settings
Screen:
To do this:
Change the city code
Cycle between Daylight Saving Time
(
ON
), Standard Time (
OF
Auto DST (
A
)
Toggle between auto receive on
(
ON
) and off (
OF
)
• See "City Code Table" for a complete list of available city codes.
Time/Date Settings
Screen:
To do this:
Toggle between 12-hour (
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
off (
)
OF
• For information about settings other than the time and date, see the following.
Illumination duration: Illumination
Power Saving: Power Saving Function
6. 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
• Auto DST (
A
) can be selected only while
HNL
HKG
,
TYO
, or
SEL
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 signal transmitted from Fort Collins 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 Fort
Collins signal.
• The time calibration signals transmitted from Fukushima and Fukuoka/Saga do not
include summer time data.
• The default DST setting is Auto DST (
A
) whenever you select
DEN
,
CHI
,
NYC
,
TYO
,
SEL
, or
HKG
• 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.
/ Press A.
Auto
City Code
DST
Receive
Seconds
Hour
Minutes
Day
Month
Year
,
,
,
,
, or
NYC
CHI
DEN
LAX
ANC
,
, or
is selected as the
TYO
SEL
Do this:
Use D (east) and B (west).
Press D.
), and
Press D.
Do this:
Press D.
) and
Press D.
Press B.
Use D (+) and B (–).
Use D (+) and B (–).
Use D (+) and B (–).
Press D.
) and
,
ANC
,
LAX
,
DEN
,
CHI
,
NYC
,
HNL
,
ANC
,
LAX
,
as your Home City code.
4
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