190-00962-04 Rev. A
Garmin G1000 Pilot’s Guide for the Diamond DA42NG
79
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
2.4 ABNORMAL OPERATIONS
ABNORMAL GPS CONDITIONS
The annunciations listed in the table can appear on the HSI when abnormal GPS conditions occur.
Annunciation Location Description
LOI
Lower left of
aircraft symbol
Loss of Integrity Monitoring–GPS integrity is insufficient for the current
phase of flight
INTEG OK
Lower left of
aircraft symbol
Integrity OK–GPS integrity has been restored to within normal limits
(annunciation displayed for 5 seconds)
DR
Upper right of
aircraft symbol
Dead Reckoning–System is using projected position rather than GPS position
to compute navigation data and sequence active flight plan waypoints
Table 2-4 Abnormal GPS Conditions Annunciated on HSI
Figure 2-47 Example HSI Annunciations
In Dead Reckoning (DR) Mode the CDI is removed from the display when GPS is the selected navigation
source. The following items on the PFD are then shown in amber:
• Current Track Bug
• Wind Data (calculated based on GPS information)
• Distances in the Bearing Information Windows
• GPS bearing pointers
It is important to note that estimated navigation data supplied by the system in DR Mode may become
increasingly unreliable and must not be used as a sole means of navigation. Refer to the Flight Management
Section for more information on DR Mode
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