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GPSmap 76CS
GPS Navigation
The Compass Page
Calibrating the Electronic Compass
The Electronic Compass must be calibrated outdoors when you fi rst
use the GPSmap 76CS and after new batteries have been installed. The
accuracy of the Electronic Compass is adversely affected if the unit is not
held level or you are near objects that generate magnetic fi elds, such as
cars and buildings, etc.
To Calibrate the Electronic Compass:
1. Use the PAGE 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
Compass Calibration
Page
GPSmap 76CS Owner's Guide copy.indd 16GPSmap 76CS Owner's Guide copy.indd 16 10/8/2004 8:27:00 AM10/8/2004 8:27:00 AM