
Cockpit Reference Guide for the Prodigy
®
Flight Deck 300
190-00761-02 Rev. A
98
Abnormal Operation
Flight
InstrumentsEAS
Nav/Com/
XPDR/AudioAFCSGPS Nav
Flight
PlanningProcedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
AlertsAppendixIndex
AUDIO PANEL FAIL-SAFE OPERATION
If there is a failure of both Audio Panels, a fail-safe circuit connects the pilot’s
headset and microphone directly to the COM1 transceiver and the copilot’s headset
directly to the COM2 transceiver. Audio is not available on the speakers. If there is a
failure of one Audio Panel, that side only has access to their respective on-side fail-safe
COM.
NOTE: Audio is not available on the speakers in case of an Audio Panel and
its cross-side GIA unit simultaneous failure.
If there is a failure of one Audio Panel, the remaining Audio Panel does not have
accesstotheotherside’sCOMorNAV.Forexample,ifthepilotsideAudioPanel
fails,thecopilotsideAudioPanelhasaccesstoalltheradiosexceptforCOM1and
NAV1. In this case, the copilot can receive the audio from NAV2 and operate COM2
for transmission/reception.
In addition, if there is a failure of one Audio Panel, the following functions are no
longer available on the failed side; NAV/ILS audio, speaker, cockpit/cockpit-passengers
intercom, aural warning alerts on headset, entertainment inputs, and digital recording
radio. Also, if a stereo headset is in use, and an Audio Panel fails, only the left channel
will be heard in the headphones.
HAZARD DISPLAYS WITH LOSS OF GPS POSITION
If GPS position is lost, or becomes invalid, selected hazards being displayed on the
Navigation Map Page are removed until GPS position is again established.
Loss of Hazard Functions with Loss of GPS
Position
UNUSUAL ATTITUDES
ThePFD‘declutters’ when the aircraft enters an unusual attitude. Only the primary
functions are displayed in these situations.
ThefollowinginformationisremovedfromthePFD(andcorrespondingsoftkeys
aredisabled)whentheaircraftexperiencesunusualattitudes:
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