Garmin G300 Pilot’s Guide 190-00921-00 Rev. D12System OverviewSystemOverviewFlightInstrumentsEISCOMInterfaceGPSNavigationFlightPlanningHazardAvoidanceAdditionalFeaturesIntegratedAutopilotAnnun/AlertsAppendixIndexDual Display (• Normal Mode)In normal mode the Dual Display system has a dedicated PFD and MFD.–G300 Dual Display Normal ModeDual Display (• Reversionary Mode)In the event of a display failure, the G300 System automatically switches toreversionary (backup) mode. In reversionary mode, all information is presented onthe remaining display in the same format as the Single Display system.If a display failure occurs with the GDU 375, the WX and XM Pages will nolonger be available since the XM receiver resides in the GDU 375.G300 Dual Display Reversionary Mode (Failed PFD)