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Calibration Signal Reception
Precautions
• Auto reception can be performed while the watch is in the
Timekeeping Mode or World Time Mode only.
• Signal reception cannot be performed while a timer operation is in
progress.
• Receipt of a calibration signal causes the digital time to be
adjusted first, followed by adjustment of the analog time. In order
to ensure correct adjustment of the analog time, be sure to match
the analog time with the digital time before performing a signal
receive operation.
• Operating any button while auto reception is in progress will
cause the watch to beep and then exit the receive operation.
• Make sure you are within the range of the calibration signal
transmitter before performing the reception operation. Remember
that geographic contours, nearby buildings, the season, the time
of day can make reception impossible even when you are within
range of the transmitter.
• Proper reception may be impossible if there is something blocking
the signal. If reception is unsuccessful, try again.
• This watch is designed to adjust its current time setting in
accordance with the calibration signal transmitted in Japan and
the United States only. Note that you will need to make your own
adjustments when using this watch outside of Japan or the United
States, or in any area that is outside the range of one of the
receivable time calibration signal transmitters.
• When the watch is unable to adjust its time signal using the
calibration signal for some reason, timekeeping accuracy is within
±
15 seconds per month.
• Strong electrostatic charge can cause timekeeping error.
• Signal reception is cancelled if an alarm starts to sound while it is
being performed.
• The watch's calendar shows dates up to the year 2099.
Attempting a receive operation after that causes an error.
Using World Time
World time lets you display the current time in any one of 30 cities
(29 time zones) around the world.
• When you enter the World Time Mode, the screen for the city that
was displayed when you last exited the mode appears first.
• The seconds count in the World Time Mode is linked with the
Timekeeping Mode seconds count.
• The same 12-hour/24-hour format you select for your home time
zone in the Timekeeping Mode is also applied in the World Time
Mode.
Important!
• If the World Time Mode time is incorrect, adjust the setting of the
current time in the Timekeeping Mode.
• See "Manually Setting the Time and Date" for more
information.
Operation Guide 3334
Troubleshooting
Cannot perform manual reception.
Cause:
• Manual receive can be performed in the
Timekeeping Mode only.
• Manual receive cannot be performed
while a timer operation is in progress.
• The Home City is set to a city other than
TYO (Tokyo), NYC (New York), CHI
(Chicago), DEN (Denver), or LAX (Los
Angeles).
Corrective Measures: • Perform manual receive in the
Timekeeping Mode.
• Change the Home City to TYO (Tokyo),
NYC (New York), CHI (Chicago), DEN
(Denver), or LAX (Los Angeles).
Correctly set the Home City as detailed
under "Manually Setting the Time and
Date".
The receive ( ) icon is not on the display even though auto
signal reception is turned on.
Cause:
• The receive ( ) icon appears after the
watch successfully receives the
calibration signal and adjusts the current
time setting.
• A single receive operation was not
successful.
• The watch is not in the Timekeeping
Mode or World Time Mode when an auto
reception time is reached.
• You performed manual reception, which
clears the receive ( ) icon from the display.
Corrective Measures: • Check to make sure the watch is in a
location where it can receive the signal.
• Place the watch in a location where
reception conditions are good.
• Make sure that the watch is in the
Timekeeping Mode or World Time Mode
during the auto reception times.
City Search
In the World Time Mode, use the D
D (forward) and B
D
D
D
B (back)
B
B
B
buttons to scroll through city codes. After a short time, the
city code will be replaced by the current time in that city.
• Holding down either button scrolls city codes at high speed.
(Back)
City Code
(Forward)
World Time
• Pressing the A button in the World Time Mode displays the city
code of the currently selected city in the bottom dial for about one
second.
• If the currently selected time zone does not have a city code, the
GMT time differential appears instead of the city code.
Time setting is incorrect following signal reception.
Cause:
• If the current time is advanced by one
hour, it probably means that summer time
is turned on (indicated by the DST
indicator).
• If there is a large error in the setting, it
probably means that the wrong Home
City is selected.
Corrective Measures: • Correctly configure the summer time and
Home City settings as detailed under
"Turning Summer Time On and Off" and
"Manually Setting the Time and Date".
Cannot configure signal reception settings.
Cause:
• The Home City is set to a city other than
TYO (Tokyo), NYC (New York), CHI
(Chicago), DEN (Denver), or LAX (Los
Angeles).
Corrective Measures: • Select one of the above as the Home City
as detailed under "Manually Setting the
Time and Date".
Using Summer Time (DST)
Summer time, or Daylight Saving Time (DST) as is it is called in
some countries, calls for setting clocks ahead one hour during the
summer season. Note that the use of summer time depends on
the country and even the local area.
Turning Summer Time On and Off
1.
In the World Time Mode, use the D
D and B
D
D
D
B buttons to
B
B
B
select the city whose summer time setting you want to
change.
2.
Hold down the A
A
A
A button
A
for one second.
• This toggles summer time on
and off.
• The "DST" indicator appears
on the bottom dial, and
timekeeping is advanced by
one hour when summer time
is turned on.
• You can turn summer time on
or off independently for each
DST Indicator
World Time Mode city. Note,
however, that you cannot turn
on summer time for the "GMT"
city code.
• If you cannot receive the calibration signal or if the current time
setting is incorrect after signal reception, check the current setup
of the watch.
• The following are the watch's factory default settings, which are
configured automatically whenever you have the battery of the
watch replaced.
Transmitter
Auto Japan transmitter select
Mode
(40kHz/ 60kHz)
Home City
Tokyo
Auto switching (according to
Summer Time
signal data)
City Code List
GMT
GMT
City
City
Differ-
City Name
Differ-
City Name
Code
Code
ential
ential
JRS
Jerusalem
–11
+2
HNL
Honolulu
JED
Jeddah
–10
+3
ANC
–9
Anchorage
THR
+3.5
Teheran
LAX
–8
Los Angeles
DXB
+4
Dubai
DEN
–7
Denver
KBL
+4.5
Kabul
CHI
–6
Chicago
KHI
+5
Karachi
NYC
–5
New York
DEL
+5.5
Delhi
CCS
–4
Caracas
DAC
+6
Dakar
RIO
–3
Rio De Janeiro
RGN
+6.5
Yangon
–2
BKK
+7
Bangkok
–1
HKG
+8
Hong Kong
GMT
+0
Greenwich Mean Time
SEL
+9
Seoul
LON
+0
London
TYO
+9
Tokyo
PAR
+1
Paris
ADL
+9.5
Adelaide
BER
+1
Berlin
SYD
+10
Sydney
ATH
+2
Athens
NOU
+11
Noumea
CAI
+2
Cairo
WLG
+12
Wellington
• The contents of the above table are current as of December 2003.
• Time differentials in the above table are in accordance with
Universal Time Coordinated (UTC).
5
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