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Operation Guide 5173
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 enters a sleep
state automatically whenever the watch is left in an area
for a certain period where it is dark. The table below shows
how watch functions are affected by the Power Saving
function.
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To recover from the sleep state
Perform any one of the following operations.
Move the watch to a well-lit area.
Press any button.
Angle the watch towards your face for reading (page E-53).
To turn Power Saving on and off
1.
In the Timekeeping Mode, hold down
seconds until the left dial hand points to T1 and the city
code fl ashes on the upper display. This is the setting
mode.
C nine times until PS appears in the upper
2.
Press
display and a fl ashing ON or OFF appears in the lower
display. This is the Power Saving ON/OFF screen.
D to toggle Power Saving on (ON) and off
3.
Press
(OFF).
On/Off status
A twice to exit the setting mode.
4.
Press
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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.
If you are in an area where proper time calibration signal reception is impossible,
the watch keeps the time with the precision noted in "Specifi cations".
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, and DST
(Daylight Saving Time) settings (page E-73).
The Home City setting reverts to the initial default of TYO (Tokyo) whenever the
battery power drops to Level 5 (C: Charge) or when you have the rechargeable
battery replaced. If this happens, change the Home City to the setting you want
(page E-14).
Transmitters
The time calibration signal received by this watch depends on the currently selected
Home City (page E-15).
When a U.S. time zone is selected, the watch receives the time calibration signal
transmitted from the United States (Fort Collins).
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High-Speed Movement
The D and B buttons are used to change the hand setting in various setting
modes. In most cases, holding down these buttons will start high-speed movement
of the applicable hand(s).
Initial Screens
When you enter the World Time Mode or Alarm Mode, the data you were viewing
when you last exited the screen will appear fi rst.
Timekeeping
Resetting the seconds to 00 while the current count is in the range of 30 to 59
causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
reset to 00 without changing the minutes.
The year can be set in the range of 2000 to 2099.
The watch's built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to
change it except when battery power drops to Level 5 (C: Charge) (page E-57).
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Auto light switch precautions
Avoid wearing the watch on the inside of your wrist. Doing so causes the auto light
switch to operate when it is not needed, which shortens battery life. If you want to
wear the watch on the inside of your wrist, turn off the auto light switch feature.
Illumination may not turn on if the face of the watch is more
More than 15 degrees
than 15 degrees above or below parallel. Make sure that the
too high
back of your hand is parallel to the ground.
Illumination turns off in about one second, even if you keep
the watch pointed towards your face.
Static electricity or magnetic force can interfere with proper
operation of the auto light switch. If illumination does not
turn on, try moving the watch back to the starting position
(parallel with the ground) and then tilt it back toward you
again. If this does not work, drop your arm all the way down
so it hangs at your side, and then bring it back up again.
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Elapsed Time in Dark
60 to 70 minutes
6 or 7 days
Wearing the watch inside the sleeve of clothing can cause it to enter the sleep
state.
The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch
is already in the sleep state when 6:00 AM arrives, however, it will remain in the
sleep state.
Radio-controlled Atomic Timekeeping Precautions
Strong electrostatic charge can cause the time setting to be thrown off.
The time calibration signal bounces off the ionosphere. Because of this, such
factors as changes in the refl ectivity 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.
A for about fi ve
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 update the date and day of the week automatically 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.
When a Japanese time zone is selected, the watch receives the time calibration
signals transmitted from Japan (Fukushima and Fukuoka/Saga).
When a European time zone is selected, the watch receives the time calibration
signals transmitted from Germany (Mainfl ingen) and England (Anthorn).
When a China time zone is selected, the watch receives the time calibration signal
transmitted from China (Shangqiu City).
When your Home City is LIS, LON, MAD, PAR, ROM, BER, STO, ATH, MOW
(which can receive both the Anthorn and Mainfl ingen signals), the watch fi rst tries
to pick up the signal it last received successfully. If that fails, it tries the other signal.
For the fi rst receive after you select your Home City, the watch tries the nearest
signal fi rst (Anthorn for LIS, LON, Mainfl ingen for MAD, PAR, ROM, BER, STO,
ATH, and MOW).
Auto Return Features
If you leave the watch with a fl ashing setting on the display for two or three minutes
without performing any operation, the watch will exit the setting mode automatically.
The watch will return to the Timekeeping Mode automatically if you do not perform
any operation for two or three minutes in the Alarm Mode.
The current time for all city codes in the Timekeeping Mode and World Time Mode
is calculated in accordance with the Coordinated Universal Time (UTC) for each
city, based on your Home City time setting.
Illumination Precautions
Illumination may be hard to see when viewed under direct sunlight.
Illumination turns off automatically whenever an alarm sounds.
Frequent use of illumination runs down the battery.
Under certain conditions, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
Hands and Display
Operation
Left dial hand: PS; Right dial
All functions enabled,
hand: "12"; Other hands:
except for displays
Normal; Display: Blank
Left dial hand: PS; Other
Auto receive, beeper tone,
hands: Stopped at 12 o'clock;
illumination, and display
Display: Blank
disabled
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