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Operation Guide 3311/3356
6
Auto receive is turned on (ON), but the receive icon “ ” is not
on the display.
• The receive icon appears when a signal is received successfully
and the time is updated. It is not displayed if there is no
successful signal reception throughout the day. Also note that the
icon disappears from the display each day at 3:00 a.m.
Make sure that you are using the watch in an area that is within
the reception range of a transmitter, and make sure that the watch
is in the Timekeeping Mode or World Time Mode when it is time
for auto signal reception.
The current auto receive on (ON)/off (OF) setting does not
appear on the setting screen.
• The auto receive on (ON)/off (OF) setting is not displayed unless
TYO (Japan), NYC (New York), CHI (Chicago), DEN (Denver), or
LAX (Los Angeles) is selected as the Home City.
Use the procedure under “Selecting Your Home City” to select
your correct Home City.
The AT, JP40, and JP60 options do not appear for the
transmitter selection mode setting.
• The AT, JP40, and JP60 transmitter selection mode options are
available only when TYO (Tokyo) is selected as the Home City
code.
Use the procedure under “Selecting Your Home City” to select
your correct Home City.
What time is auto receive performed?
• Auto receive is performed in the middle of the night, when
reception conditions are best.
Before going to bed at night, place the watch near a window, with
its 12 o’clock position facing in the general direction of the
transmitter.
How can I perform manual receive?
• Hold down the lower right D button for about two seconds.
The watch will beep to indicate that manual receive has started.
Place it near a window, with its 12 o’clock position facing in the
general direction of the transmitter.
How can I view the last reception date and time?
• In the Timekeeping Mode, press the lower right D button.
This will display the date and time that the time calibration signal
was last received successfully. To return to the Timekeeping
Mode, press the D button again. See “To view the last reception
date and time” for more information.
Troubleshooting
The watch cannot receive the time calibration signal.
• Is the signal being transmitted?
Though the Japanese calibration signal (Call Sign: JJY) is
continually transmitted by the National Institute of Information
and Communications Technology (NICT) in theory, it may
sometimes be interrupted for periodic maintenance work, or
because of lightening or other problems.
• Are you within the reception range of a transmitter?
See “Reception Range” for information about areas where the
watch can receive the signal.
• Is there something in the immediate area that may be interfering
with reception?
Even if you are within the reception range of a transmitter,
objects between you and the transmitter or electrical noise can
interfere with reception. Avoid such areas during signal
reception. See “Location” for more information.
• Do you have the correct Home City code selected?
Remember that auto receive is not performed unless TYO
(Japan), NYC (New York), CHI (Chicago), DEN (Denver), or LAX
(Los Angeles) is selected as the Home City. Select the correct
Home City code using the procedure under “Selecting Your
Home City”.
• Is auto receive turned off (OF)?
Use the procedure under “Configuring Auto Receive Settings” to
turn on auto receive.
• Is the watch in any mode other than the Timekeeping Mode or
World Time Mode during the auto receive times (midnight, 1:00
a.m., 2:00 a.m., 3:00 a.m., 4:00 a.m., and 5:00 a.m.)?
Auto receive is performed only when the watch is in the
Timekeeping Mode or World Time Mode. It is not performed if the
watch is in any other mode.
Time calibration signal reception is successful, but the hourly
time signal and current time are slightly off.
• After the watch receives the time calibration signal, it performs an
internal decoding process before updating its time setting.
Because of this, the time setting may be slightly off (within one
second).
Time calibration signal reception is successful, but the current
time is one hour fast.
• Do you have summer time (DST) turned on (ON)?
Use the procedure under “Configuring Summer Time (Daylight
Saving Time) Settings” to turn off summer time.
Time calibration signal reception is successful, but the current
time setting is wrong.
• Is the correct city code selected for your Home City?
If you are in Japan, you should have TYO selected for your Home
City. For other areas, select the correct Home City code using the
procedure under “Selecting Your Home City”.
Using Summer Time (DST)
Summer time, or Daylight Saving Time (DST) as is it is known 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.
❚
To turn summer time on or off
1. In the World Time Mode,
use the D button to
display the screen for the
city code whose summer
time setting you want to
change.
2. Hold down the A button
for about two seconds.
• This toggles summer time on
and off.
• The “DST” indicator appears
on the display and
timekeeping is advanced by
one hour when summer time
is turned on.
• You can turn summer time on
or off independently for each
World Time Mode city. Note,
however, that you cannot turn
on summer time for the “GMT”
city code.
World Time City Code List
City
Code
City Name
– – –
HNL
ANC
LAX
DEN
CHI
NYC
CCS
RIO
– – –
– – –
GMT
LON
PA R
BER
AT H
CAI
Honolulu
Anchorage
Los Angeles
Denver
Chicago
New York
Caracas
Rio de Janeiro
Greenwich Mean Time
London
Paris
Berlin
Athens
Cairo
–11
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
+0
+0
+1
+1
+2
+2
GMT
Differential
City
Code
City Name
GMT
Differential
JRS
JED
THR
DXB
KBL
KHI
DEL
DAC
RGN
BKK
HKG
SEL
TYO
ADL
SYD
NOU
WLG
Jerusalem
Jeddah
Teheran
Dubai
Kabul
Karachi
Delhi
Dakar
Yangon
Bangkok
Hong Kong
Seoul
Tokyo
Adelaide
Sydney
Noumea
Wellington
+2
+3
+3.5
+4
+4.5
+5
+5.5
+6
+6.5
+7
+8
+9
+9
+9.5
+10
+11
+12
• 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).
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 the Timekeeping
Mode time is also applied in the World Time Mode.
(Twice)
Timekeeping Mode World Time Mode
Example: Day of the Week
About two
seconds
Important!
If the World Time Mode time is incorrect, correct the setting of the
current time in the Timekeeping Mode.
• For information about selecting a Home City, see “Selecting Your
Home City”.
❚
To search for a city code
In the World Time Mode, press the
DD
DD
D button.
• This scrolls westward through the available city codes. A short
while after a city code appears, the display will change to show
the current time in that city.
• Holding down the D button scrolls at high speed.
Current Time in Selected City
(Changes Display)
(Scrolls Forward)
City Code
• Pressing the A button in the World Time Mode displays the city
code of the currently selected city for about two seconds.
World Time Mode
DST Indicator
(Changes Setting)
(Scrolls City Codes)