Garmin G500, Руководство пилота

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190-01717-10 Rev. H Pilot’s Guide
2
-55
Primary Flight Display
2.19 Marker Beacon Symbols
2.20 Radar Altitude
The GDU displays radar height when a radar altimeter is interfaced to the system.
Radar altitude displays to the left of the altitude tape. The RA altitude field
automatically displays when the aircraft is within operating range of the installed
radar altimeter unit (generally 2,500 ft AGL).
Brown and white hash marks depict a ground awareness band on the altimeter tape.
When the radar altimeter readout is 0 ft, the ground band will level with the altitude
pointer.
ROTORCRAFT ONLY
Depending on configuration, an audio alert is active when the radar altimeter
indicates the aircraft is descending below 100 ft.
SYMBOL MARKER TYPE
Inner
Middle
Outer
Marker beacon symbols display left of the altitude tape when
interfaced to a marker beacon receiver. All marker beacon
light and audio tests are performed through controls on the
associated audio panel.
Inner Marker
Symbol
As the aircraft climbs, the ground band moves
down the tape in equal amounts to the indicated
RAD ALT value.
Ground Band
If the radar altimeter fails, the message “RA FAIL”
annunciates in place of the current radar value.