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Calibrating the Barometric Pressure Sensor Reading
The pressure sensor of this watch is adjusted at the factory and so further adjustment is not required by
you. However, if you notice that the pressure readings produced by the watch are different from readings
produced by another instrument, you can use the procedure in this section to make corrections.
Important!
The watch will not be able to produce correct pressure readings if you make a mistake during the
correction procedure. Check to make sure that the value you use for correction produces correct pressure
readings.
To calibrate the Barometric Pressure Sensor Reading
1. In the Barometer Mode, loosen the crown and then pull it out.
•
If the watch is currently performing a barometric pressure reading
operation, the hands will move to indicate the current barometric
pressure.
•
If the hands do not indicate a barometric pressure, pulling out the
crown will take a barometric pressure reading. The z z Hour Hand,
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x x Minute Hand, and c c Second hand will indicate the result after
about 10 seconds.
Example: 999 hPa
Example: 999 hPa
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Taking Temperature Readings
The Thermometer Mode uses a temperature sensor to take temperature readings. The result of a
temperature reading is indicated by the hands of the watch.
Hand Indicators
z Hour Hand: When the unit is Celsius (°C), indicates the 10s digit value. When the unit is Fahrenheit (°F),
indicates the 100s digit value.
x Minute Hand: When the unit is Celsius (°C), indicates the 1s digit value. When the unit is Fahrenheit (°F),
indicates the 10s digit value.
c Second Hand: When the unit is Celsius (°C), indicates the fi rst digit value to the right of the decimal
point. When the unit is Fahrenheit (°F), indicates the 1s digit value.
v Mode Hand: When the unit is Celsius (°C) and the reading is 0°C or above, points to THERMO °C.
When the reading is below 0°C, points to THERMO [–]. When the unit is Fahrenheit (°F),
points to THERMO °F.
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Example: 25.3°C
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Calibrating the Temperature Sensor Reading
The temperature sensor of this watch is adjusted at the factory and so further adjustment is not required
by you. However, if you notice that the readings produced by the watch are different from readings
produced by another instrument, you can use the procedure in this section to make corrections.
Important!
•
The watch will not be able to produce correct temperature readings if you make a mistake during the
correction procedure. Check to make sure that the value you use for correction produces correct
temperature readings.
•
Before performing the procedure below, remove the watch from your wrist leave it in the area where
you will take the reading for about 20 to 30 minutes to allow the case temperature to become the same
as surrounding air temperature.
To calibrate the temperature sensor reading
1. In the Thermometer Mode, loosen the crown and then pull it out.
•
If the watch is currently performing a temperature reading operation, the hands will move to indicate
the current temperature.
•
If the hands do not indicate a temperature, pulling out the crown will take a temperature reading.
The hands will indicate the result after about 8 seconds.
2. Rotate the crown to move the hands so they match the temperature reading produced by another
instrument.
Rotating the crown causes the c c Second Hand to move in 0.1°C (1°F) increments.
•
•
After you calibrate the temperature sensor reading, you can clear it any time by performing step 1 of
this procedure and then pressing A and C at the same time. This will cause the hands to move to
the result of the last temperature reading the watch performed.
•
You can toggle the temperature unit between Celsius (°C) and Fahrenheit (°F) at this time by holding
down C for two seconds.
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Specifying Altitude, Barometric Pressure, and Temperature Units
Use the procedure below to specify the altitude, barometric pressure, and temperature units to be used in
the Altimeter Mode, Barometer Mode and the Thermometer Mode.
To specify altitude, barometric pressure, and temperature units
1. Make sure the watch is the the mode for the type of unit you want to
specify (Altimeter, Barometer, or Thermometer Mode).
•
For information about changing modes, see "Selecting a Mode"
(page E-24).
2. After loosening the crown, pull it out.
The v Mode Hand will move to the currently selected unit setting.
•
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3. Hold down C for about two seconds to toggle between the available
unit settings.
Press C to toggle between these settings:
When specifying this type of unit:
Altitude
m (meters) and ft (feet)
Barometric Pressure
hPa (hectopascals) and inHg (inches of mercury)
Temperature
°C (Celsius) and °F (Fahrenheit)
4. After the setting is the way you want, push the crown back in and lock it.
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Operation Guide 5242
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Example: 62°F
2. Rotate the crown to move the hands so they match the barometric
pressure reading produced by another instrument.
Rotating the crown causes the c c Second Hand to move in 1 hPa
•
(0.1 inHg) increments.
•
After you calibrate the barometric pressure sensor reading, you
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can clear calibration settings any time by performing step 1 of this
procedure and then pressing A and C at the same time. This
will cause the hands to move to the result of the last barometric
pressure reading the watch performed.
•
You can toggle the barometric pressure unit between hPa and inHg
at this time by holding down C for two seconds.
Example: 1000 hPa
Example: 1000 hPa
3. After the setting is the way you want, push the crown back in and then
lock it.
•
For information about the barometric pressure calibration value
range, see the barometric pressure display range on page E-53.
Barometric Pressure Reading Precautions
•
Sudden changes in temperature can affect the pressure sensor and produce errors in reading values.
To take a temperature reading
1. Enter the Timekeeping Mode.
•
For information about changing modes, see "Selecting a Mode"
(page E-24).
2. Press B twice.
The v v Mode Hand will move to THERMO °C or THERMO °F.
•
This indicates the currently selected temperature unit setting.
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For information about how to change the setting, see "To specify
altitude, barometric pressure, and temperature units" (page E-62).
The c c Second Hand will move to 0 indicating that the temperature
•
reading operation has started. The reading result will appear within
eight seconds.
Note
•
The unit for temperature readings by this watch is 0.1°C (1°F).
•
The measurement range for temperature readings by this watch is
–10.0°C to 60.0°C (14°F to 140°F).
•
Whenever a temperature reading is outside the allowable measurement
range, the hands of the watches will move to the positions below.
z z Hour Hand, x x Minute Hand, c c Second Hand: 11 o'clock
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v v Mode Hand: THERMO °C or THERMO °F
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Example: 29.9°C
3. After the setting is the way you want, push the crown back in and then lock it.
For information about the temperature calibration value range, see the temperature display range on
page E-59.
Temperature Reading Precautions
•
Temperature readings are affected by your body temperature, direct sunlight, and moisture. To achieve
a more accurate temperature readings, remove the watch from your wrist, place it in a well ventilated
location out of direct sunlight, and wipe all moisture from the case. It takes approximately 20 to 30
minutes for the case of the watch to reach the actual surrounding temperature.
Using the Alarm
When the alarm is turned on, an alarm will sound for about 10 seconds each day when the time in the
Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping
Mode.
Hand Indicators
z Hour Hand: Indicates the currently set alarm time hour.
x Minute Hand: Indicates the currently set alarm time minute.
c Second Hand: Indicates the current a.m. (A) and p.m. (P) setting.
v Mode Hand: Indicates the current alarm on (ALM ON) and off
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To change the alarm time setting
1. Use B to select the Alarm Mode (ALM) as shown on page E-24.
The v Mode Hand will move to ALM ON or ALM OFF to indicate
•
the current setting. The c Second Hand indicates the current A (a.m.)
or P (p.m.) setting.
2. After loosening the crown, pull it out.
The v Mode Hand will move to ALM ON.
•
•
You can toggle between the hour and minute setting mode, and the
hour only setting mode by pressing B.
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Example: 30.0°C
(ALM OFF) setting.
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E-59
E-61
E-63
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