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190-00709-05 Rev. D
Garmin G1000 Pilot’s Guide for the Socata TBM 850/900
447
HAZARD AVOIDANCE
Terrain-SVS continually monitors several system-critical items such as database validity, hardware status, and
GPS status. If the terrain/obstacle database is not available, the voice alert
“Terrain System Failure”
occurs
with the ‘TER FAIL’ system status annunciation.
Terrain-SVS 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’ appears on the PFD and on the Terrain-SVS Page. The voice alert
“Terrain System Not Available”
is
generated. When the GPS signal is re-established and the aircraft is within the database coverage area, the voice
alert “
Terrain System Available
” is generated.
Alert Cause
PFD/MFD*
System
Status
Annunciation
Terrain-SVS Page Center Banner
Annunciation
Voice Alert
MFD Terrain or Obstacle
database unavailable
or invalid. Terrain-SVS
operating with PFD Terrain or
Obstacle databases
None
TERRAIN DATABASE FAILURE
None
Terrain or Obstacle database
unavailable or invalid, invalid
software configuration, audio
fault
TERRAIN FAIL
“Terrain System Failure”
No GPS position
NO GPS POSITION
“Terrain System Not Available”
“Terrain System Available” when
GPS position returns
Excessively degraded GPS
signal
None
“Terrain System Not Available”
“Terrain System Available” when
sufficient GPS signal is received
Out of database coverage
area
None
“Terrain System Not Available”
“Terrain System Available” when
aircraft re-enters coverage area
* Annunciation is displayed on the MFD when terrain display is enabled.
Table 6-19 Terrain-SVS Status Annunciations
Содержание Cessna Caravan G1000
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