Garmin G1000 Manual page 101

A ground line with diagonal stripes below it (Figure 2-49) appears on the Altimeter to show the aircraft' s
height above the ground. If the radar altimeter data becomes invalid, the message "RA FAIL" is displayed in
yellow in place of the current radar height (Figure 2-50). The Radar Altimeter test is done on the MFD, and the
'RA TEST' annunciation appears on the PFD directly above the Radar Altimeter box (Figure 2-51).
Testing the Radar Altimeter (KRA 405B only):
1) Turn the FMS Knob to select the AUX - System Status Page on the MFD.
2) Select the RA TEST Softkey.
Or :
1) Press the MENU Key.
2) Turn the FMS Knob to highlight 'Enable RA Test Mode' and press the ENT Key.
Th e 'RA TEST' annunciation is displayed above the RA box (Figure 2-51). To cancel the test, select the RA TEST
Softkey again, or turn the FMS Knob to exit the AUX - System Status Page.
190-00709-05 Rev. D
Radar Altimeter
Radar Altimeter
Minimums Box
Figure 2-49 Altimeter Displaying the Ground Line (RAD ALT)
Figure 2-50 Radar Altimeter Invalid Data
Figure 2-51 Radar Altimeter Test Display (KRA 405B)
Garmin G1000 Pilot's Guide for the Socata TBM 850/900
FLIGHT INSTRUMENTS
Ground
Line
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