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Operation Guide 3140
Important!
• When getting ready to receive the time calibration signal, position the watch as
shown in the nearby illustration, with its 12 o'clock side facing towards a window.
This watch is designed to receive a time calibration signal late at night. Because of
this, you should place the watch near a window as shown in the illustration when
you take it off at night. Make sure there are no metal objects nearby.
• Make sure the watch is facing the right way.
• Proper signal reception can be diffi cult or even impossible under the conditions listed
below.
Inside or
Inside a
Near
among
vehicle
household
buildings
appliances,
office
equipment,
or a mobile
phone
• Signal reception normally is better at night than during the day.
• Time calibration signal reception takes from two to seven minutes. Take care that
you do not perform any button operations or move the watch during this time.
• The time calibration signal the watch will attempt to pick up depends on its current
Home City code setting as shown below.
Home City Codes and Transmitters
Home City Code
HNL*, ANC*, YVR, LAX, YEA,
Fort Collins, Colorado
DEN, MEX, YWG, CHI, MIA,
(the United States)
YTO, NYC, YHZ, YYT
LIS, LON, MAD, PAR, ROM,
Anthorn (England)
BER, STO, ATH*, MOW*
* The areas covered by the HNL , ANC , ATH , and MOW city codes are quite far
from the time calibration signal transmitters, and so certain conditions may cause
problems with signal reception.
Approximate Reception Ranges
U.K. Signal
1,500 kilometers
Anthorn
500 kilometers
U.K. signal transmitter approximate
reception range as of April 2007
• 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.
Anthorn (England) transmitter: 500 kilometers (310 miles)
Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
• In April 2007, the U.K. signal transmitter was moved from Rugby to Anthorn, which
resulted in a slight shift in the approximate reception range of the signal. The shift is
so slight that there is virtually no change in the ability to receive the signal.
• Even when the watch is within the reception range of a transmitter, signal reception
may be impossible at times due to the effects of geographic contours, structures,
weather, the season of the year, the time of day, radio interference, etc. Note that
the signal becomes weaker at distances of approximately 500 kilometers from the
transmitter, which means that the infl uence of the conditions listed above becomes
even greater.
About Auto Receive
The watch receives the time calibration signal automatically up to six times a day.
When any auto receive is successful, the remaining auto receive operations are not
performed. The reception schedule (calibration times) depends on your currently
selected Home City, and whether standard time or Daylight Saving Time is selected
for your Home City.
Your Home City
1
HNL, ANC, YVR,
Standard Time
LAX, YEA, DEN,
MEX, YWG, CHI,
Midnight 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am
Daylight
MIA, YTO, NYC,
Saving Time
YHZ, YYT
Standard Time 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am
LIS, LON
Daylight
2:00 am 3:00 am 4:00 am 5:00 am
Saving Time
Standard Time 2:00 am 3:00 am 4:00 am 5:00 am
MAD, PAR, ROM,
BER, STO
Daylight
3:00 am 4:00 am 5:00 am
Saving Time
Standard Time 3:00 am 4:00 am 5:00 am
ATH
Daylight
4:00 am 5:00 am
Saving Time
Standard Time 4:00 am 5:00 am
MOW
Daylight
5:00 am
Saving Time
12 o'clock
or
Near a
Near
Among or
construction
high-tension
behind
site, airport,
power lines
mountains
or other
sources of
electrical
noise
Transmitter
Frequency
60.0 kHz
60.0 kHz
U.S. Signal
2,000 miles
(3,000 kilometers)
600 miles
(1,000 kilometers)
Fort Collins
Auto Receive Start Times
2
3
4
5
6
Midnight
*
Midnight
1:00 am
*
*
Midnight
1:00 am
*
*
Midnight
1:00 am
2:00 am
*
*
*
Midnight
1:00 am
2:00 am
*
*
*
Midnight
1:00 am
2:00 am
3:00 am
*
*
*
*
Midnight
1:00 am
2:00 am
3:00 am
*
*
*
*
Midnight
1:00 am
2:00 am
3:00 am
4:00 am
*
*
*
*
*
* Next day
Note
• When a calibration time is reached, the watch will receive the calibration signal
only if it is in either the Timekeeping Mode or World Time Mode. Reception is not
performed if a calibration time is reached while you are confi guring settings.
• Auto receive of the calibration signal is designed to be performed early in the
morning, while you sleep (provided that the Timekeeping Mode time is set correctly).
Before going to bed for the night, remove the watch from your wrist, and put it in a
location where it can receive the signal easily.
• The watch receives the calibration signal for two to seven minutes everyday when
the time in the Timekeeping Mode reaches each of the calibration times. Avoid
performing any button operation within seven minutes before or after any one of the
calibration times. Doing so can interfere with correct calibration.
• Remember that reception of the calibration signal depends on the current time in the
Timekeeping Mode. The receive operation will be performed whenever the display
shows any one of the calibration times, regardless of whether or not the displayed
time actually is the correct time.
• Calibration signal reception is disabled while a countdown timer operation is in
progress.
About the Receiving Indicator
The receiving indicator shows the strength of the calibration signal being received.
For best reception, be sure to keep the watch in a location where signal strength is
strongest.
Weak
(Level 0)
Receiving indicator
• Even in an area where signal strength is strong, it takes about 10 seconds for signal
reception to stabilize enough for the receiving indicator to indicate signal strength.
• Use the receiving indicator as a guide for checking signal strength and for fi nding the
best location for the watch during signal receive operations.
• Following reception of the time calibration signal and calibration of the watch's time
setting, the Level 3 receiving indicator will remain on the display in all modes. The
Level 3 receiving indicator will not be displayed if signal reception was unsuccessful
or after you adjust the current time setting manually.
• The Level 3 receiving indicator is displayed only when the watch is able to receive
both time and date data successfully. It does not appear when only time data is
received.
• The Level 3 receiving indicator indicates that at least one of the auto calibration
signal receive operations was successful. Note, however, that the Level 3 receiving
indicator is cleared from the display when the fi rst auto receive operation of the day
is performed.
To perform manual receive
1. Place the watch on a stable surface so its top (12
o'clock side) is facing towards a window.
2. In the Timekeeping Mode, hold down D for about two
seconds until RC! appears on the display.
• Time calibration signal reception takes from two to
seven minutes. Take care that you do not perform any
button operations or move the watch during this time.
• After signal reception is complete, the display of the
Receiving indicator
watch changes to the Last Signal screen.
Note
• To interrupt a receive operation and return to the Timekeeping Mode, press D .
• If the receive operation is unsuccessful, the message
about one or two minutes. After that, the watch returns to the Timekeeping Mode.
• You can also change from the Last Signal or
screen by pressing D .
• Calibration signal reception is disabled while a countdown timer operation is in
progress.
To turn auto receive on and off
1. In the Timekeeping Mode, press D to display the Last
On/Off Status
Signal screen.
2. Hold down A until the receiving indicator and current
auto receive setting (
This is the setting screen.
• Note that the setting screen will not appear if the
currently selected Home City is one that does not
support time calibration reception.
3. Press D to toggle auto receive on (
(
).
4. Press A to exit the setting screen.
• For information about city codes that support signal receive, see "To specify your
Home City".
To display the Last Signal screen
In the Timekeeping Mode, press D to display the Last Signal screen (indicated by
GET
). The Last Signal screen shows the date and time of the last successful time
calibration signal reception.
Current Time and Date Screen
Day of week
Month – Day
Year
DST indicator
PM indicator
Home Time
(Hour : Minutes Seconds)
Strong
(Level 3)
ERR
appears on the display for
ERR
screen to the normal timekeeping
or
) start to fl ash.
) and off
Last Signal Screen
Receive date
Press
.
Receive time
2
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