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Operation Guide 3150
10
Auto light switch precautions
• Avoid wearing the watch on the inside of your wrist. Doing so causes the
auto light switch to operate when it is not needed, which shortens battery
life. If you want to wear the watch on the inside of your wrist, turn off the
auto light switch feature.
• Illumination may not turn on if the face of the
watch is more than 15 degrees above or below
parallel. Make sure that the back of your hand
is parallel to the ground.
• Illumination turns off after a preset amount of
time (1.5 or 3 seconds), even if you keep the
watch pointed towards your face.
• Static electricity or magnetic force can interfere with proper operation of the
auto light switch. If illumination does not turn on, try moving the watch back
to the starting position (parallel with the ground) and then tilt it back toward
you again. If this does not work, drop your arm all the way down so it hangs
at your side, and then bring it back up again.
More than 15 degrees
too high
• Under certain conditions, illumination may not turn on until about one
second after you turn the face of the watch towards you. This does not
necessarily indicate malfunction of the auto light switch.
• You may notice a very faint clicking sound coming from the watch when it is
shaken back and forth. This sound is caused by mechanical operation of
the auto light switch, and does not indicate a problem with the watch.
Pago Pago
Honolulu
Anchorage
Vancouver
Los Angeles
Edmonton
Denver
Mexico City
Chicago
Miami
Toronto
New York
Santiago
Halifax
St. Johns
Rio De Janeiro
Praia
–11.0
–10.0
–09.0
–08.0
–07.0
–06.0
–05.0
–04.0
–03.5
–03.0
–01.0
PPG
HNL
ANC
YVR
LAX
YEA
DEN
MEX
CHI
MIA
YTO
NYC
SCL
YHZ
YYT
RIO
RAI
City
City
UTC
Code Differential
UTC Differential/City Code List
Lisbon
London
Madrid
Paris
Rome
Berlin
Stockholm
Athens
Cairo
Jerusalem
Moscow
Jeddah
Tehran
Dubai
Kabul
Karachi
Delhi
+00.0
+01.0
+02.0
+03.0
+03.5
+04.0
+04.5
+05.0
+05.5
UTC
LIS
LON
MAD
PA R
ROM
BER
STO
ATH
CAI
JRS
MOW
JED
THR
DXB
KBL
KHI
DEL
Dhaka
Yangon
Bangkok
Singapore
Hong Kong
Beijing
Taipei
Seoul
Tokyo
Adelaide
Guam
Sydney
Noumea
Wellington
+06.0
+06.5
+07.0
+08.0
+09.0
+09.5
+10.0
+11.0
+12.0
DAC
RGN
BKK
SIN
HKG
BJS
TPE
SEL
TYO
ADL
GUM
SYD
NOU
WLG
•Based on data as of March 2008.
•The rules governing global times (GMT differential and UTC offset) and
summer time are determined by each individual country.