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Operation Guide 3310
5
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.
To adjust the analog time
1.In the Timekeeping Mode, press C five times to enter
the Hand Setting Mode.
2.Hold down A until
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.
3.If the second hand is not pointing precisely at 12 o’clock
at this time, use D to adjust its position.
• Each press of D causes the second hand to advance
by one second.
4. Press C. This will cause the time on the digital display to flash, which indicates that
adjustment of hour and minute hands is selected.
5. Use D and B to adjust the analog setting as described below.
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When you want to do this:
Move the hand setting
forward 20 seconds
Perform this button operation:
• Press D.
Move the hand setting back
20 seconds
Move the hand setting a short
way forward at high speed
Move the hand setting a
short way back at high speed
Move the hand setting a
long way forward at high
speed
• Press B.
• Hold down D.
• Release D when the hands reach the setting
you want.
• Hold down B.
• Release B when the hands reach the setting
you want.
• While holding down D to move the hands at
high-speed, press B to lock the high-speed
hand movement.
• To stop the hand movement, press any
button.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
Move the hand setting a long
way back at high speed
• While holding down B to move the hands at
high-speed, press D to lock the high-speed
hand movement.
• To stop the hand movement, press any
button.
• Hand movement stops automatically if the hour
hand makes one full (12-hour) revolution.
6. Press A to exit the setting screen.
• The minute hand will be adjusted slightly to match the seconds when you exit the
setting screen.
• To return to the Timekeeping Mode, press C.
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.
Power Saving Function
When turned on, the Power Saving function automatically
enters a sleep state whenever the watch is left in an area
where lighting is dim (less than about 30 lux).
The following shows how watch functions are affected
when left in a dark place while in the sleep state.
Power Saving
indicator
The sleep state is indicated by a blank screen with the Power Saving indicator (
PS
)
flashing on it.
• Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.
Approximate Period
in sleep state
3 to 4 days
8 days or more
Functions
• LCD off
• Alarm, hourly time signal, analog timekeeping and auto
receive enabled
• LCD off, alarm and hourly time signal disabled
• Analog timekeeping stopped at 12 o’clock
• Auto receive disabled
To recover from the sleep state
Perform any one of the following operations.
• Move the watch to a well-lit area.
• Press any button.
To turn Power Saving on and off
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.Press A again.
3.Press C seven times until the Power Saving on/off
screen appears.
4.Press D to toggle Power Saving on (
ON
) and off
(
OF
).
5.Press A to exit the setting screen.
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On/Off status
• 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.
• The Power Saving indicator (
PS
) is on the display in all modes while the Power
Saving is turned on.
Auto Return Features
• If you leave the watch in the Alarm or Hand Setting Mode, or with the Battery Level
Indicator (HI or MID) displayed for two or three minutes without performing any
operation, it automatically returns to the Timekeeping Mode.
• If you leave the watch with a flashing setting on the display for two or three minutes
without performing any operation, the watch automatically exits the setting screen.
Scrolling
The B and D buttons are used in various modes and setting screens to scroll
through data on the display. In most cases, holding down these buttons during a scroll
operation scrolls through the data at high speed.
Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when you
last exited the mode appears first.
Radio-controlled Atomic Timekeeping Precautions
• Strong electrostatic charge can result in the wrong time being set.
• Even when the watch is within the reception range of the transmitter, signal
reception will be impossible if the signal is blocked by mountains or other geological
formations between the watch and signal source.
• Signal reception is affected by weather, atmospheric conditions, and seasonal
changes.
• The time calibration signal bounces off the ionosphere. Because of this, such factors
as changes in the reflectivity of the ionosphere, as well as movement of the
ionosphere to higher altitudes due to seasonal atmospheric changes or the time of
day may change the reception range of the signal and make reception temporarily
impossible.
• Even if the time calibration signal is received properly, certain conditions can cause
the time setting to be off by up to one second.
• The current time setting in accordance with the time calibration signal takes priority
over any time settings you make manually.
• The watch is designed to automatically update the date and day of the week for the
period January 1, 2000 to December 31, 2099. Setting of the date by the time
calibration signal cannot be performed starting from January 1, 2100.
• This watch can receive signals that differentiate between leap years and non-leap
years.
• Though this watch is designed to receive both time data (hour, minutes, seconds)
and date data (year, month, day), certain signal conditions can limit reception to time
data only.
• Normally, the signal reception date shown by the last signal screen is the date data
included in the received time calibration signal. When only time data is received,
however, the last signal screen shows the date as kept in the Timekeeping Mode at
the time of signal reception.
• If you are in an area where proper time calibration signal reception is impossible, the
watch keeps time within ±15 seconds a month at normal temperature.
• If you have problems with proper time calibration signal reception or if the time
setting is wrong after signal reception, check your current city code, DST (summer
time), and auto receive settings. The following are the initial factory defaults for these
settings.
Japan Signal Frequencies
When you have
TYO
(Tokyo) selected as the Home City code, you can use the
following procedure to specify either 40kHz or 60kHz as the reception frequency. The
frequency you should use depends on your current location in Japan. See the map
under “Time Calibration Signal Reception” for more information.
Setting
City code
DST (summer time)
Auto receive
Initial Factory Default
(New York)
(Auto switching)
(Auto receive)
To select a frequency for use in Japan
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 D to select the transmitter you want to use.
• Each press of D cycles through the available
frequencies as described below.
AT : The watch automatically selects the
frequency that has the strongest signal.
: Receives the signal from Fukushima
(40kHz).
: Receives the signal from Fukuoka/Saga
(60kHz).
3. Press A twice to exit the setting screen.
• Reception can take up to 14 minutes when the
AT
option is selected.
• The second hand will advance at high speed to the
correct position in accordance with seconds count of the
digital time, and resume normal movement from there.
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Transmitter indicator