Altitude Reading Precautions; Barometric Pressure And Temperature Measurement; Measuring Barometric Pressure And Temperature - Casio 3513 Operation Manual

Note
While the setting is being configured,
●
the watch will exit the setting operation
automatically after about two or three
minutes of non-operation.
Altitude Reading
Precautions
Effects of Temperature
When taking altitude readings, take the steps
below to keep the watch at as stable a
temperature as possible. Changes in
temperature can affect altitude readings.
Take readings with the watch on your wrist.
●
Take readings in an area where
●
temperature is stable.
Altitude Readings
Do not use this watch while skydiving, hang
●
gliding, paragliding, gyrocopter flying, glider
flying, or engaged in other activities where
altitude changes suddenly.
Altitude readings produced by this watch
●
are not intended for special-purpose or
industrial level use.
In an aircraft, the watch measures the in-
●
cabin pressurized air pressure, so readings
will not match altitudes announced by the
crew.
Altitude Readings (Relative Altitude)
This watch uses International Standard
Atmosphere (ISA) relative altitude data
defined by the International Civil Aviation
Organization (ICAO). Barometric pressure
generally becomes lower as altitude
increases.
Correct measurement may not be possible
under the conditions below.
During unstable atmospheric conditions
●
During sudden temperature changes
●
After the watch has been subjected to
●
strong impact
Watch Operation Guide 3513
Barometric Pressure
and Temperature
You can use the watch to take barometric
pressure and temperature readings for your
current location.
Important!
Check the information at the link below
●
to find out how to ensure correct
readings.
Correcting Measured Barometric
l
Pressure and Temperature Values
(Offset)
Barometric Pressure and
l
Temperature Reading
Precautions
Measurement
Measuring Barometric
Pressure and Temperature
1.
Enter the Barometer/Temperature Mode.
Navigating Between Modes
l
Entering the Barometer/Temperature
Mode starts measurement, and displays
the barometric pressure and temperature
at your current location, and a barometric
pressure graph.
After you enter the Barometer/
●
Temperature Mode, the watch takes
readings about every five seconds for
three minutes. After that, a
measurement is taken about every two
minutes.
Barometric pressure
Barometric pressure graph
Temperature
Barometric pressure differential graphic
To re-trigger measurement, press (B).
●
To return to the Timekeeping Mode,
●
press (D).
Note
The watch will automatically return to
●
the Timekeeping Mode if you do not
perform any operation in the
Barometer/Temperature Mode for
about one hour.
Measurement ranges are shown
●
below. [- - -] will appear for the
measured value if it is outside the
allowable range.
Barometric pressure measurement:
260 hPa to 1,100 hPa (7.65 inHg to
32.45 inHg)
Thermometer measurement: -10.0°C
to 60.0°C (14.0°F to 140.0°F)
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