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Troubleshooting
Hand Movement and Position
■ I lost track of what mode the watch is in.
Refer to "Mode Reference Guide" (page E-18). To return directly to the Timekeeping Mode, hold down B at
least two seconds.
■ The 2 Second Hand is moving at two-second intervals.
■ All the watch's hands are stopped at 12 o'clock and none of the buttons work.
Power may be low. Expose the watch to light until the 2 Second Hand starts moving normally, at one-
second intervals (page E-8).
■ The hands of the watch suddenly start moving at high speed, even when I do not perform any
operation.
This could be due to any one of the following causes. In all cases, the hand movement does not indicate
malfunction, and should stop shortly.
The watch is recovering from a sleep state (page E-10).
The time setting is being adjusted following a successful auto time calibration signal receive operation
(page E-11).
■ Hands suddenly stop moving. Button operation also is disabled.
The watch may be in the power recovery mode (page E-9). Do not perform any operation until the hands
return to their normal positions (in about 15 minutes). The hands should return to their correct positions
when normal operation returns. To help power recover, leave the watch in a location where it is exposed
to light.
E-32
Time Calibration Signal
The information in this section applies only when LONDON (LON), PARIS (PAR), ATHENS (ATH),
HONOLULU (HNL), ANCHORAGE (ANC), LOS ANGELES (LAX), DENVER (DEN), CHICAGO (CHI),
NEW YORK (NYC), HONG KONG (HKG), or TOKYO (TYO) is selected as the Home City. You need to
adjust the current time manually when any other city is selected as the Home City.
■ The 2 Second Hand indicates N (NO) when I check the result of the latest receive operation.
Possible Cause
You are wearing or moving the watch, or
performing a button operation during the signal
receive operation.
The watch is in an area with poor reception
conditions.
You are in an area where signal reception is not
possible for some reason.
The calibration signal is not being transmitted for
some reason.
■ The current time setting changes after I set it manually.
You may have the watch confi gured for Auto Receive of the time calibration signal (page E-14), which will
cause the time to be adjusted automatically according to your currently selected Home City. If this results
in the wrong time setting, check your Home City setting and correct it, if necessary (page E-20).
E-34
Specifi cations
Accuracy at normal temperature: ± 15 seconds a month (with no signal calibration)
Timekeeping (World time): Hour, minutes (hand moves every 10 seconds), seconds, 24-hour, day, day
of the week
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 29 city codes and Coordinated Universal Time);
Daylight Saving Time (summer time) / Standard Time
Time Calibration Signal Reception: Auto receive up to six times a day (5 times a day for the Chinese
calibration signal; Remaining auto receives cancelled as soon as one is successful);
Manual receive
Receivable Time Calibration Signals:
Mainfl ingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England (Call
Sign: MSF, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0
kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz); Fort Collins, Colorado,
the United States (Call Sign: WWVB, Frequency: 60.0 kHz); Shangqiu City, Henan
Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Stopwatch: Measuring capacity: 1:59'59.9"
Measuring unit: 0.1 seconds
Measuring mode: Elapsed time
Other: Power Saving; Low battery alert; Auto Correction of Hand Home Positions
Power Supply: Solar panel and one rechargeable battery
Approximate battery operating time: 7 months (from full charge to Level 3)
under the following conditions:
Analog hands operational 18 hours per day, sleep state 6 hours per day
4 minutes of signal reception per day
E-36
City Code Table
UTC Offset/
City Code
City
GMT Differential
PAGO PAGO (PPG)
Pago Pago
–11
HONOLULU
(HNL)
Honolulu
–10
ANCHORAGE
(ANC)
Anchorage
–9
LOS ANGELES ( L A X )
Los Angeles
–8
DENVER
(DEN)
Denver
–7
CHICAGO
( C H I )
Chicago
–6
NEW YORK
(NYC)
New York
–5
SANTIAGO
(SCL)
Santiago
–4
RIO
Rio De Janeiro
–3
F. DE NORONHA (FEN) Fernando de Noronha
–2
PRAIA
( R A I )
Praia
–1
UTC
LONDON
(LON)
London
PARIS
(PAR)
Paris
+1
ATHENS
(ATH)
Athens
+2
JEDDAH
( J E D )
Jeddah
+3
TEHRAN
(THR)
Tehran
+3.5
L-2
Operation Guide 5395 (OC)
Remedy
Keep the watch in an area where reception
conditions are good while the signal receive
operation is being performed.
See "Approximate Reception Ranges".
Check the website of the organization that
maintains the time calibration signal in your area
for information about its down times.
Try again later.
Summer Time Period
Summer Time Start
Summer Time End
None
None
02:00, second Sunday
02:00, fi rst Sunday in
in March
November
24:00, second Saturday in
24:00, second Saturday
October
in March
0:00, third Sunday in
0:00, third Sunday in
February or 0:00, fourth
October
Sunday in February
None
None
0
01:00, last Sunday in
02:00, last Sunday in
March
October
02:00, last Sunday in
03:00, last Sunday in
March
October
03:00, last Sunday in
04:00, last Sunday in
March
October
None
None
0:00, March 22 or
0:00, September 22 or
0:00, March 21
0:00, September 21
■ The current time setting is off by hours.
Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page
E-20).
■ The current time setting is off by one hour.
If you are using the watch in an area where time calibration signal reception is possible, see "To
confi gure Home City settings" (page E-20).
The period when summer time is applied in the location where you are using the watch may be
different from the period set for your currently selected Home City. Use the procedure under "To switch
between standard time and summer time manually" (page E-22) to switch from AUTO to STD (for standard
time) or DST (for summer time).
■ The hands and/or day indications are off.
This could indicate that the watch has been exposed to magnetism or strong impact, which has caused
problems with proper hand and day alignment. Adjust the watch's hand and day home position alignment
(page E-29).
Charging
■ The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 3 (page E-8). Continue exposing the watch to light until
the 2 Second Hand starts moving normally (at one-second intervals).
■ The 2 Second Hand starts to move at one-second intervals, but then suddenly returns to moving
at two-second intervals.
The watch probably is not suffi ciently charged yet. Continue keeping it exposed to light.
■ The current time setting is off by one hour.
Possible Cause
The period when summer time is applied in the
location where you are using the watch may be
different from the period set for your currently
selected Home City.
■ Auto Receive is not performed or I cannot perform Manual Receive.
Page
Possible Cause
E-13
The watch is in the Stopwatch Mode.
Your Home City setting is wrong.
E-12
There is not enough power for signal reception.
—
■ Signal reception is being performed successfully, but the time and/or day is wrong.
Possible Cause
Your Home City setting is wrong.
The watch may have been exposed to magnetism
or strong impact, which has caused problems with
proper hand and day alignment.
City Code
City
DUBAI
(DXB)
Dubai
KABUL
(KBL)
Kabul
KARACHI
( K H I )
Karachi
DELHI
(DEL)
Delhi
DHAKA
(DAC)
Dhaka
YANGON
(RGN)
Yangon
BANGKOK
(BKK)
Bangkok
HONG KONG
(HKG)
Hong Kong
TOKYO
(TYO)
Tokyo
ADELAIDE
(ADL)
Adelaide
SYDNEY
(SYD)
Sydney
NOUMEA
(NOU)
Noumea
WELLINGTON
(WLG)
Wellington
Based on data as of June 2013.
The rules governing global times (UTC offset and GMT differential) and summer time are determined
by each individual country.
The summer time periods in this table are applicable to specifi c cities. For cities not included in the
list, select the list city that is in the same time zone as the desired city and perform STD/DST settings
manually.
Remedy
Use the procedure under "To switch between
standard time and summer time manually" to switch
from AUTO to STD (for standard time) or DST (for
summer time).
Remedy
Auto Receive is not performed while the watch is
in the Stopwatch Mode. Hold down B at least two
seconds to enter the Timekeeping Mode.
Check your Home City setting and correct it, if
necessary.
Expose the watch to light to charge it.
Remedy
Check your Home City setting and correct it, if
necessary.
Adjust the watch's hand and day home positions.
City Code Table
Summer Time Period
UTC Offset/
GMT Differential
Summer Time Start
+4
+4.5
+5
+5.5
+6
None
+6.5
+7
+8
+9
+9.5
02:00, fi rst Sunday in
03:00, fi rst Sunday in April
October
+10
+11
None
02:00, last Sunday in
+12
03:00, fi rst Sunday in April
September
E-33
Page
E-22
Page
E-18
E-11
E-20
E-7
Page
E-11
E-20
E-29
E-35
L-1
Summer Time End
None
None
L-3
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