Calibrating the Barometric Altimeter
Your device was already calibrated at the factory, and the device uses automatic calibration at your GPS starting point by default. You can manually calibrate the barometric altimeter if you know the correct elevation.
- From the altimeter widget, hold MENU.
- Select Options.
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Select an option:
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To enter the current elevation, select .
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To calibrate automatically from the digital elevation model, select .
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To calibrate automatically from your GPS starting point, select .
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To allow the altimeter to self-calibrate each time you turn on GPS tracking, select .
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