
Garmin G1000 Cockpit Reference Guide for the Cessna Caravan
190-00748-05 Rev. A
64
Abnormal Operation
Flight
InstrumentsEIS
Nav/Com/
XPDR/AudioAFCSGPS Nav
Flight
PlanningProcedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
AlertsAppendixIndex
Dead Reckoning Indications
Symbolic Aircraft
(Map pages and Inset Map)
CDI ‘DR’ Indication on PFD
AsaresultofoperatinginDRMode,allGPS-deriveddataiscomputedbasedupon
anestimatedpositionandisdisplayedasyellowtextonthedisplaytodenotedegraded
navigationsourceinformation.Thisdataincludesthefollowing:
• NavigationStatusBoxeldsexceptActiveLeg,TAS,andDTK
• GPSBearingPointer
• WinddataandpointersintheWindDataBoxonthePFD
• CurrentTrackIndicator
• AllBearingPointerDistances
• ActiveFlightPlandistances,bearings,andETEvalues
Also,whiletheG1000isinDRMode,theautopilotwillcoupletoGPSforupto20
minutes.TerrainProximity,TERRAIN-SVS,andTAWSarealsodisabled.Additionally,
the accuracy of all nearest information (airports, airspaces, and waypoints) is
questionable. Finally, airspace alerts continue to function, but with degraded
accuracy.
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