DeLorme Earthmate PN-60 GPS User Manual page 61

To calibrate the altimeter
1. From the Satellite Page or the Compass Page, go to MENU > Calibrate > Calibrate Altimeter.
OR
From the Home Page, go to Settings > Compass & Altimeter > Calibrate > Calibrate Altimeter.
2. Select a calibration method.
• Known Elevation–The actual elevation at your location.
• Known Pressure–The barometric pressure (adjusted for sea level) for your location.
• GPS Elevation–The GPS elevation calculated by the device.
3. If you selected Known Elevation or Known Pressure; to edit the field, press ENTER and use the arrow keypad to
make changes. When you are finished editing, press ENTER.
4. Select Calibrate, and when you see the successful calibration message, press ENTER.
60 Compass and Altimeter Calibration | Earthmate PN-60 User Manual