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Approximate Reception Ranges
UK and German Signals
Anthorn
500 kilometers
1,500 kilometers
The Anthorn signal is receivable
Mainfl ingen
within this area.
Japanese Signals
Fukushima
500 kilometers
Fukuoka/Saga
1,000 kilometers
E-16
Signal reception may be diffi cult or even impossible under the conditions described below.
Inside or among
Inside a vehicle
Near 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"
on page E-18 for details.
Manual Receive: Perform the operation under "To perform manual receive" on page E-19.
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. The receive operation is not performed if a calibration time is reached while you
are confi guring settings.
E-18
To check the result of the latest receive operation
In the Timekeeping Mode, press B. The x Second Hand will move to
H (High), M (Mid), or L (Low) to indicate the power level, and then it will
indicate the latest time calibration signal receive operation result.
The x Second Hand will move to YES (Y) if the latest receive operation
was successful, or NO (N) if it was not. After about 10 seconds, regular
timekeeping will resume.
Press B to return to regular timekeeping. The watch will also return
to regular timekeeping if you do not perform any operation for about
10 seconds.
Note
The x Second Hand will indicate NO (N) if you have adjusted the time or day
setting manually since the latest receive operation.
To turn auto receive on and off
YES (Y)
1. In the Timekeeping Mode, press B. The x Second Hand will move to
H (High), M (Mid), or L (Low) to indicate the power level, and then it will
indicate the latest time calibration signal receive operation result.
2. Pull out the crown.
The x Second Hand will perform one full revolution and then stop at the
current on/off setting.
3. Rotate the crown to move the x Second Hand to the setting you want.
To turn on auto receive, select YES (Y).
To turn off auto receive, select NO (N).
NO (N)
E-20
Mode Reference Guide
Your watch has fi ve "modes". The mode you should select depends on what you want to do.
To do this:
Confi gure Home City and DST (daylight saving time) settings
Perform a time calibration signal receive operation or view the last
receive result
Change the Auto Receive on/off setting
Confi gure time and day settings manually
Check the current power level
Determine magnetic north
View the current time in one of 29 cities around the globe
Confi gure World Time City and summer time settings
Swap the Home City and World Time City
Measure elapsed time and lap times, and recall lap times
Use the countdown timer
Set an alarm time
Turn the alarm ON or OFF
E-22
Operation Guide 5325
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
Near a
Near
Among or behind
construction
high-tension
mountains
site, airport, or
power lines
other sources of
electrical noise
Enter this mode:
See:
E-24
Timekeeping Mode
E-32
E-42
World Time Mode
E-43
E-45
Stopwatch Mode
E-46
Countdown Timer Mode
E-49
E-52
Alarm Mode
E-54
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 December 2012, 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 daylight saving time (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 C for at least two seconds to
enter the Timekeeping Mode.
2. Place the watch in a location where signal reception is good.
12 o'clock
or
To perform manual receive
1. In the Timekeeping Mode (page E-24), keep B depressed (for about two seconds) as the x Second Hand
goes through the following sequence.
Moves to H (High), M (Mid), or L (Low) to indicate the power level and then moves to R (READY).
2. The x Second Hand indicates the operations the watch is currently performing.
When the x Second Hand is pointed here:
R (READY)
W (WORK)
If signal reception is unstable, the x Second Hand may move between
W (WORK) and R (READY).
When the receive operation is successful, the watch adjusts the time
setting accordingly, and then resumes regular timekeeping. It does not
adjust the setting if the operation failed.
Signal reception is not performed when the power level is L (Low).
Note
To interrupt a receive operation and return to the Timekeeping Mode, press any button.
4. Push the crown back in to return to the Timekeeping Mode.
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 its day setting automatically for the period from January 1, 2000
to December 31, 2099. Updating of the day setting 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" (page E-64).
The receive operation is disabled under any of the following conditions.
−
While power is at Level 2 or lower (page E-12)
While the watch is in the power recovery mode (page E-13)
−
−
While the watch is in the function sleep state (power saving, page E-14)
While the watch is not in the Timekeeping Mode
−
−
While a direction reading or Countdown Timer operation is in progress (even if the watch is in the
Timekeeping Mode)
A receive operation is cancelled if an alarm sounds while it is being performed.
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch's current mode
Check what the b Lower Dial Hand is indicating as shown under "To select a
mode" (page E-23).
To return to the Timekeeping Mode from any other mode
Hold down C for at least two seconds.
To select a mode
Each press of C will cycle between modes. The currently selected mode is indicated by the b Lower
Dial Hand.
Timekeeping Mode
C
Alarm Mode
C
Countdown Timer Mode
Position the watch as shown in the nearby illustration,
with 12 o'clock pointed towards a window. Make sure
there are no metal objects nearby.
Signal reception normally is better at night.
The receive operation takes from two to 10 minutes, but
in some cases it can take as long as 20 minutes. Take
care that you do not perform any button operation or
move the watch during this time.
It means this:
Watch is setting up for reception.
Reception is in progress.
C
World Time Mode
C
Stopwatch Mode
C
E-17
E-19
E-21
E-23
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