Garmin DA42-L360 GPS Receiver User Manual


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Garmin G1000 Cockpit Reference Guide for the DA42-L360
190-01062-01 Rev. A
54
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
As a result of operating in DR Mode, all GPS-derived data is computed based upon
an estimated position and is displayed as yellow text on the display to denote degraded
navigation source information. This data includes the following:
• NavigationStatusBoxeldsexceptActiveLeg,TAS,andDTK
• GPSBearingPointer
• WinddataandpointersintheWindDataBoxonthePFD
• TrackIndicator
• AllBearingPointerDistances
• ActiveFlightPlandistances,bearings,andETEvalues
Also, while the G1000 is in DR Mode, the autopilot will not couple to GPS, and
both TAWS and Terrain Proximity are disabled. 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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