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Operation Guide 3147
12
Pressure Sensor and Temperature Sensor Calibration
The pressure sensor and temperature sensor built into the watch are
calibrated at the factory and normally require no further adjustment. If you
notice serious errors in the pressure readings and temperature readings
produced by the watch, you can calibrate the sensor to correct the errors.
Important!
• Incorrectly calibrating the barometric pressure sensor can result in incorrect
readings. Before performing the calibration procedure, compare the
readings produced by the watch with those of another reliable and accurate
barometer.
• Incorrectly calibrating the temperature sensor can result in incorrect
readings. Carefully read the following before doing anything.
Compare the readings produced by the watch with those of another
reliable and accurate thermometer.
If adjustment is required, remove the watch from your wrist and wait for 20
or 30 minutes to give the temperature of the watch time to stabilize before
adjusting.
To calibrate the pressure sensor and the temperature sensor
1. Press D to enter the Barometer/
Thermometer Mode.
2. In the Barometer/Thermometer Mode, hold
down A for about two seconds until either
OFF or the current temperature calibration
value starts to flash. This is the setting screen.
• If you want to calibrate the barometric
pressure sensor, press D to move the
flashing to the middle display area. This is
the pressure sensor calibration screen.
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3. Use E (+) and B (–) to set the calibration value in the units shown below.
Temperature 0.1
°
C (0.2
°
F)
Barometric Pressure 1 hPa (0.05 inHg)
• Pressing E and B at the same time returns to the factory calibration
(OFF).
4. Press A to return to the Barometer/Thermometer Mode screen.
To select the temperature, barometric pressure, and altitude units
1. Enter the Timekeeping Mode.
2. Hold down A until the city code starts to
flash, which indicates the setting screen.
3. Use D to select the setting screen for the unit
you want to change.
• See step 3 under “To set the time and date
manually” for information about how to scroll
through setting screens.
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4. Press E to change the unit setting.
• Each press of E changes the selected unit setting as shown below.
Temperature
°
C and
°
F
Barometric Pressure hPa and inHg
Altitude m and ft
5. After the settings are the way you want, press A to exit the setting screen.
City Code Table
Pago Pago
Honolulu
Anchorage
Los Angeles
Denver
Chicago
New York
Santiago
Rio De Janeiro
Fernando de Noronha
Praia
London
Paris
Berlin
City
City UTC offset Other major cities in same time zone
Code
–11.0
–10.0
–09.0
–08.0
–07.0
–06.0
–05.0
–04.0
–03.0
–02.0
–01.0
—
+00.0
+01.0
Papeete
Nome
San Francisco, Las Vegas, Vancouver,
Seattle/Tacoma, Dawson City, Tijuana
El Paso, Edmonton, Culiacan
Houston, Dallas/Fort Worth,
New Orleans, Mexico City, Winnipeg
Montreal, Detroit, Miami, Boston,
Panama City, Havana, Lima, Bogota
La Paz, Port Of Spain
Sao Paulo, Buenos Aires, Brasilia, Montevideo
Dublin, Lisbon, Casablanca, Dakar, Abidjan
Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
Frankfurt, Vienna, Stockholm
PPG
HNL
ANC
LAX
DEN
CHI
NYC
SCL
RIO
FEN
RAI
UTC
LON
PA R
BER
Athens
Cairo
Jerusalem
Jeddah
Tehran
Dubai
Kabul
Karachi
Delhi
Dhaka
Yangon
Bangkok
Hong Kong
Taipei
Tokyo
Adelaide
Sydney
Noumea
Wellington
+02.0
+03.0
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0
+08.0
+09.0
+09.5
+10.0
+11.0
+12.0
Helsinki, Istanbul, Beirut, Damascus,
Cape Town
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow
Shiraz
Abu Dhabi, Muscat
Male
Mumbai, Kolkata, Colombo
Jakarta, Phnom Penh, Hanoi, Vientiane
Singapore, Kuala Lumpur, Beijing, Manila, Perth,
Ulaanbaatar
Pyongyang, Seoul
Darwin
Melbourne, Guam, Rabaul
Port Vila
Christchurch, Nadi, Nauru Island
ATH
CAI
JRS
JED
THR
DXB
KBL
KHI
DEL
DAC
RGN
BKK
HKG
TPE
TYO
ADL
SYD
NOU
WLG
•Based on data as of June 2007.
•UTC offsets and the use of summer time are subject to change in the
country where they are used.