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eTrex Vista C
GPS Navigation
The Compass Page
Calibrating the Electronic Compass
The Electronic Compass must be calibrated outdoors when you fi rst
use the eTrex Vista C and after new batteries have been installed. The
accuracy of the Electronic Compass is adversely affected if the unit is not
held level or if you are near objects that generate magnetic fi elds, such as
cars and buildings, etc.
To calibrate the Electronic Compass:
1. Use the QUIT button to access the Compass Page and then use
the MENU key to access the Options Menu.
2. Use the ROCKER key to highlight the “Calibrate Compass”
option and press ENTER to display the Calibration Page.
3. Press ENTER to activate the “Start” button and then follow
on-screen directions for holding and turning the unit.
The unit displays a “Just Right,” “Too Fast” or “Too Slow” mes-
sage for you to adjust your turning speed as needed. Remem-
ber to hold the unit level while turning.
A “Calibration Successful” message displays when fi nished.
If a “Calibration Failed” message displays, repeat the process.
4. Press ENTER to return to the Compass Page.
Calibration
Progress Page
Calibration
Compass
Page
Hold the unit
level and turn
slowly.
eTrex Vista C Owner's Manual Text.indd 16 8/12/2004, 9:16:06 AM