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Operation Guide 5121
Approximate Reception Ranges
UK and German Signals
Anthorn
500 kilometers
1,500 kilometers
Mainfl ingen
The Anthorn signal is receivable
within this area.
Japanese Signals
Fukushima
500 kilometers
Fukuoka/Saga
1,000 kilometers
•
Even when the watch is within range of a transmitter, signal reception may be
impossible due to the effects of geographic contours, structures, weather, the time
of year, the time of day, radio interference, etc. The signal becomes weaker at
distances of approximately 500 kilometers, which means that the infl uence of the
above conditions becomes even greater.
•
Signal reception may not be possible at the distances noted below during certain
times of the year or day. Radio interference may also cause problems with
reception.
−
Mainfl ingen (Germany) or Anthorn (England) transmitters: 500 kilometers
(310 miles)
−
Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
−
Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)
−
Shangqiu (China) transmitter: 500 kilometers (310 miles)
•
As of November 2009, China does not use Daylight Saving Time (DST). If China
does go to the Daylight Saving Time system in the future, some functions of this
watch may no longer operate correctly.
•
Using this watch in a country covered by a time calibration signal that is different
from the countries it supports may result in incorrect time indication due to local
application of summer time, etc.
To get ready for a receive operation
1.
Confi rm that the watch is in the Timekeeping Mode. If it isn't, hold down
two seconds to enter the Timekeeping Mode.
2.
The antenna of this watch is located on its 12 o'clock side. Position the watch with
12 o'clock facing towards a window as shown in the nearby illustration. Make sure
there are no metal objects nearby.
12 o'clock
or
•
Signal reception may be diffi cult or even impossible under the conditions
described below.
Inside or
Inside a
Near
among
vehicle
household
buildings
appliances,
offi ce
equipment,
or a mobile
phone
3.
What you should do next depends on whether you are using Auto Receive or
Manual Receive.
•
Auto Receive: Leave the watch over night in the location you selected in step 2.
See "Auto Receive" for details.
•
Manual Receive: Perform the operation under "To perform manual receive".
Auto Receive
•
With Auto Receive, the watch performs the receive operation each day automatically
up to six times (up to fi ve times for the Chinese calibration signal) between the
hours of midnight and 5 a.m. (according to the Timekeeping Mode time). When any
receive operation is successful, none of the other receive operations for that day
are performed.
•
When a calibration time is reached, the watch will perform the receive operation only
if it is in the Timekeeping Mode or World Time Mode. The receive operation is not
performed if a calibration time is reached while you are confi guring settings.
North American Signal
2,000 miles
(3,000 kilometers)
600 miles
(1,000 kilometers)
Fort Collins
Chinese Signal
500 kilometers
Changchun
Beijing
Shangqiu
Shanghai
Chengdu
Hong Kong
1,500 kilometers
C at least
•
Signal reception normally is better
at night.
•
The receive operation takes from two
to seven minutes, but in some cases
it can take as long as 14 minutes.
Take care that you do not perform
any button operation or move the
watch during this time.
Near a
Near
Among
construction
high-tension
or behind
site, airport,
power lines
mountains
or other
sources of
electrical
noise
To perform manual receive
A depressed (for about two seconds) as the
1.
In the Timekeeping Mode, keep
x Second Hand goes through the following sequence.
•
Moves to
YES (or Y for some models) or NO (N) to indicate the last signal
reception result, then to READY (R).
x Second Hand indicates the operations the watch is currently performing.
2.
The
When the x Second
Hand is pointed here:
READY (R)
WORK (W)
YES (Y)
NO (N)
•
If signal reception is unstable, the
move between WORK (W) and READY (R).
3.
The receive operation is complete when the
Hand moves to YES (Y) or NO (N) for about fi ve
seconds, and then resumes regular timekeeping.
•
You can return to the Timekeeping Mode manually by
pressing A while the x Second Hand is pointing to
YES (Y) or NO (N).
•
When the receive operation is successful, the watch
adjusts the time setting accordingly. It does not adjust
the setting if the operation failed.
Note
•
To interrupt a receive operation and return to the
Timekeeping Mode, press any button.
To check the result of the latest receive operation
In the Timekeeping Mode, press A.
•
x Second Hand will move to YES (Y) for fi ve
The
seconds if the latest receive operation was successful,
or NO (N) if it was not. After that, regular timekeeping
will resume.
•
You can return to the Timekeeping Mode manually by
pressing A while the x Second Hand is pointing to YES
(Y) or NO (N).
Note
•
x Second Hand will indicate NO (N) if you have
The
adjusted the time or date setting manually since the latest
receive operation.
Radio-controlled Atomic Timekeeping Precautions
•
Strong electrostatic charge can result in the wrong time setting.
•
Even if a receive operation is successful, certain conditions can cause the time
setting to be off by up to one second.
•
The watch is designed to update the date and day of the week automatically for
the period January 1, 2000 to December 31, 2099. Updating of the date by signal
reception will no longer be performed starting from January 1, 2100.
•
If you are in an area where signal reception is not possible, the watch keeps time
with the precision noted in "Specifi cations".
•
The receive operation is disabled under any of the following conditions.
−
While power is at Level 2 or lower
−
While the watch is in the power recovery mode
−
When the watch is in the function sleep state ("Power Saving")
•
A receive operation is cancelled if an alarm sounds while it is being performed.
Mode Reference Guide
Your watch has four "modes". The mode you should select depends on what you
want to do.
To do this:
•
View the current time in your Home City and in one of 29 other cities
around the globe
•
View the current date in the Home City
•
Confi gure Home City and daylight saving time (DST) settings
•
Perform a time calibration receive operation
•
Confi gure time and date settings manually
Use the stopwatch to measure elapsed time
•
Select one of 29 cities (time zones) around the world and view the
current time there
•
Select daylight saving/summer time (DST) or standard time for a
time zone
Set an alarm time
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch's current mode
Check the position of the v Left Dial Hand as shown
under "To select a mode".
To return to the Timekeeping Mode from any other
mode
Except while the watch is performing auto hand home
position correction, hold down C at least two seconds until
the x Second Hand returns to 12 o'clock.
It means this:
Watch is setting up for reception.
Reception is in progress.
Reception was completed
successfully.
Reception failed for some reason.
x Second Hand may
x Second
Enter this mode:
Timekeeping Mode
Stopwatch Mode
World Time Mode
Alarm Mode
2
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