Garmin GPSMAP 60CSx - Manual (Page 71)

GPSMAP 60CSx Owner’s Manual 6
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Calibrating the Altimeter
Because the GPSMAP 60CSx relies on the barometric
pressure to determine the elevation, and the pressure
at any given elevation can fluctuate, you can calibrate
the altimeter to increase its accuracy. You must know
the elevation or pressure at your current location.
To manually calibrate the altimeter:
1. Press MENU to open the Altimeter Page
Options Menu.
2. Highlight Calibrate Altimeter, and press
ENTER to open the Calibration Page.
3. At the message “Do You Know The Correct
Elevation?” highlight the Yes button, and press
ENTER.
OR
If you do not know the elevation, select No to
use the pressure option. If you do not know
the pressure, select No to use the default GPS
elevation.
4. Use the ROCKER to enter the new elevation
or pressure, then highlight OK and press
ENTER to return to the Altimeter Page.