190-01263-01 Rev. A
Garmin G2000 Pilot’s Guide for the Cessna T240
105
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2.5 ABnormAl operAtionS
ABnormAl gpS conditionS
The annunciations listed in Table 2-3 can appear on the HSI when abnormal GPS conditions occur. Refer to
the Flight Management Section for more information on Dead Reckoning Mode.
Annunciation
Location
Description
GPS LOI
Left of HSI
Loss of Integrity Monitoring–GPS integrity is insuffi cient for the current
phase of fl ight
GPS INTEG OK
Left of HSI
Integrity OK–GPS integrity has been restored to within normal limits
(annunciation displayed for 5 seconds)
DR
Lower left of
aircraft symbol
Dead Reckoning–System is using projected position rather than GPS position
to compute navigation data and sequence active fl ight plan waypoints
Table 2-3 Abnormal GPS Conditions Annunciated on HSI
Figure 2-54 Abnormal GPS Condition Annunciations
In Dead Reckoning Mode the following items on the PFD are then shown in yellow:
• CDI (when FMS is the selected navigation source; the CDI is removed after 20 minutes)
• Current Track Bug
• Wind Data
• Distances in the Bearing Information windows
• GPS bearing pointers
These items should be verifi ed when operating in Dead Reckoning Mode and they become increasingly
inaccurate over time.
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