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Operation Guide 5424
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.
E-30
To turn auto receive on and off
1. In the Timekeeping Mode, press B. The 2 Second
N (NO)
Hand will move to H (High), M (Medium), 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 2 Second Hand will perform one full revolution and
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then stop at the current on/off setting.
3. Rotate the crown to move the 2 Second Hand to the
setting you want.
To turn on auto receive, select Y (YES).
2
To turn off auto receive, select N (NO).
Y (YES)
4. Push the crown back in to return to the Timekeeping
Mode.
E-32
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
Change the Auto Receive on/off setting
Confi gure time and day settings manually
Check the current power level
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
E-34
To select a mode
Each press of C will cycle between modes. The currently selected mode is indicated
by the 5 Lower Dial Hand.
C
Timekeeping Mode
C
Alarm Mode
C
5
Countdown Timer Mode
C
E-36
Confi guring Home City Settings
The Home City is location where you will normally use the watch. You can choose
from a selection of city codes that represent 29 cities around the globe.
To confi gure Home City settings
Note
This watch does not have a city code that corresponds
to Newfoundland.
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1. Pull out the crown.
This will cause the 2 Second Hand to move to the
city code of the currently selected Home City.
This indicates the city code setting mode.
2
TYO (TOKYO)
E-38
To check the result of 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 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-80).
The receive operation is disabled under any of the following conditions.
−
While power is at Level 2 or lower (page E-17)
−
While the watch is in the power recovery mode (page E-18)
−
While the watch is in the function sleep state (Power Saving, page E-20)
−
While the watch is in the World Time Mode (page E-50)
−
While a countdown timer operation is in progress (page E-62)
A receive operation is cancelled if an alarm sounds while it is being performed.
To do this:
Set an alarm time
Turn the alarm ON or OFF
Enter this mode:
See:
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
Timekeeping Mode
E-37
E-50
World Time Mode
E-51
E-54
Stopwatch Mode
E-55
Countdown Timer
E-60
Mode
Timekeeping
To enter the Timekeeping Mode, hold down C at least two seconds.
World Time Mode
C
Stopwatch Mode
If you do not perform any operation with the crown for about two minutes after
pulling it out, crown operations will become disabled and the hand will not move
if you rotate the crown. If this happens, push the crown back in and then pull it
out again.
For details about city codes, see the "City Code Table" at the back of this
manual.
In the Timekeeping Mode, press B. The 2 Second Hand
will move to H (High), M (Medium), or L (Low) to indicate
the power level, and then it will indicate the latest time
calibration signal receive operation result.
The 2 Second Hand will move to Y (YES) if the latest
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receive operation was successful, or N (NO) 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.
2
Note
The 2 Second Hand will indicate N (NO) if you have
adjusted the time or day setting manually since the latest
receive operation.
To determine the watch's current mode
Check what the 5 5 Lower Dial Hand is indicating as shown
under "To select a mode" (page E-36).
To return to the Timekeeping Mode from any other
30
mode
Hold down C for at least two seconds.
5
Hand Functions
1
4
2
3
1 Hour Hand
2 Second Hand
3 Minute Hand
4 Upper Dial Hand: Indicates the current hour in the
Home City time in 24-hour format.
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5 Lower Dial Hand: Points to the day of the week.
6 Day Indicator
5
6
2. Rotate the crown to move the 2 Second Hand to the city
1
3
code you want to select as your Home City.
Each time you select a city code, the 1 Hour Hand,
3 Minute Hand and 6 Day Indicator move to the
current time and day for that city code.
30
3. Push the crown back in to return to the Timekeeping
Mode.
2
6
E-31
E-33
Enter this mode:
See:
E-63
Alarm Mode
E-66
E-35
E-37
E-39
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