190-00820-08 Rev. ACirrus Perspective™ by Garmin – Pilot’s Guide for the SR20/SR22/SR22T30SYSTEM OVERVIEWSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL& CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEXSYSTEM ANNUNCIATIONSWhen an LRU or an LRU function fails, a large red ‘X’ is typically displayed over the instrument experiencingfailed data (Figure 1-21 displays all possible flags and responsible LRUs). The system alerts the pilot whenbackup paths are utilized by the LRUs. Upon power-up, certain instruments remain invalid as equipmentbegins to initialize. All instruments should be operational within one minute of power-up. If any instrumentremains flagged, the system should be serviced by a Garmin-authorized repair facility.NOTE: For a detailed description of all annunciations and alerts, refer to Appendix A. Refer to the Pilot’sOperating Handbook (POH) for additional information regarding pilot responses to these annunciations.GRS 77 AHRSOR GMU 44MagnetometerGDC 74AAir DataComputerGIA 63W Integrated Avionics UnitsGTX 32/33/33 ES TransponderOR GIA 63WIntegrated Avionics UnitsGIA 63WIntegratedAvionics UnitsGEA 71 EngineAirframe UnitOR GIA 63WIntegratedAvionics UnitGDC 74AAir DataComputerFigure 1-21 System Failure AnnunciationsNavigation DatabaseMismatch in PFDand MFD
