Garmin G1000 Diamond DA62 Pilot's Manual page 90

FLIGHT INSTRUMENTS
A ground line (Figure 2-45) appears on the Altimeter to display the aircraft' s height relative to the ground.
Diagonal lines appear underneath the ground line. If the radar altimeter provides invalid data, the message "RA
FAIL" is displayed in yellow in the RA box (Figure 2-46).
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Radar
Altimeter
Radar Altimeter
Minimums Box
Figure 2-45 Altimeter Displaying the Ground Line (RAD ALT)
Figure 2-46 Radar Altimeter with Invalid Data
Garmin G1000 Pilot's Guide for the Diamond DA62
Ground
Line
190-01895-00 Rev. A