Calibrate Altitude
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The X5 measures the altitude changes using a highly sensitive air
pressure sensor, and it can accurately detect the relative altitude and slope
changes during the ride. Since the changing conditions of weather and
temperature will affect the atmospheric pressure, the altimeter requires
calibration ahead of time. Altitude Settings Menu provides three preset altitude
points and the GPS location altitude. You can set up the altitude value of the
starting location ahead of time, and calibrate the altitude upon arrival at the
starting location. You can also use GPS to automatically calibrate the altitude,
which will ensure the accuracy of the record. When there is dramatic change in
the weather, such as typhoon or cold weather, the altitude change caused by
atmospheric pressure change could exceed 100 meters and the altitude
change caused by hourly atmospheric pressure could possible exceed tens of
meters. GPS altitude is affected by the terrain, weather and satellite position
significantly, average deviation is between 30 to 100 meters.
1. Enter Quick Access Menu. Tap
to enter Altitude.
Calibration. By default, it is set to
[Auto Calibration].
2. After the GPS is located, the
Current Altitude will show the
altitude of your GPS location.
3. Switch the Auto calibration OFF.
Then perform manual calibration
to get more accurate altitude
value.
4. If you know the altitude of the
current position, you can tap the
[Current Altitude] and enter the
current altitude value.
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