Garmin eTrex - Manual (Page 20)

20 eTrex Owner’s Manual
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Calibrating the Barometric
Altimeter
You can manually calibrate the
barometric altimeter if you know
the correct elevation or the correct
barometric pressure.
1. Go to a location where the elevation
or barometric pressure is known.
2. Select Elevation Plot > menu >
Calibrate Altimeter.
3. Follow the on-screen instructions.
Trip Computer
The trip computer displays your current
speed, average speed, maximum
speed, trip odometer, and other helpful
statistics.
To customize the trip computer, see
page 28 .
Resetting the Trip Data
For accurate information, reset the trip
information before beginning a trip.
Select Trip Computer > menu >
Reset > Reset Trip Data > Yes.
All of the trip computer values are
set to zero.