Garmin GPS 500 Bedienungsanleitung PDF herunterladen (Seite 174)

GPS 500 Pilot’s Guide and Reference

10-8

SECTION 10

TERRAIN

TERRAIN NOT AVAILABLE ALERT

TERRAIN requires a 3-D GPS navigation solution

along with speciﬁc vertical accuracy minimums. Should

the navigation solution become degraded or if the aircraft

is out of the database coverage area, the annunciation

‘TER N/A’ is generated in the annunciation window and

‘TERRAIN NOT AVAILABLE’ is generated on the TERRAIN

Page (Figure 10-8). When the GPS signal is re-established

and the aircraft is within the database coverage area, the

‘TER N/A’ visual annunciation is removed.

Figure 10-8: TERRAIN NOT AVAILABLE Display

TERRAIN FAILURE ALERT

TERRAIN continually monitors several system-critical

items such as database validity, hardware status, and GPS

status. If the terrain/obstacle database is not available,

‘TER FAIL’ is generated in the annunciation window, and

‘TERRAIN FAILED’ is generated on the TERRAIN Page

(Figure 10-9).

Figure 10-9: TERRAIN FAILED Display

190-00181-60 Rev. G

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Garmin GPS 500 Bedienungsanleitung Seite 174