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5. Highlight OK, and press Enter to reset the
selected options.
6. To reset all categories shown on the page,
highlight Select All, and press Enter.
Calibrating the Altimeter
Because the Vista Cx 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 above sea level or pressure at your current
location.
To manually calibrate the altimeter:
1. Press the Menu key 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.
eTrex Vista Cx Owner’s Manual 61
MAIN PAGES > ALTIMETER PAGE