Garmin G1000 NXi Pilot’s Guide for the Cessna Nav III 190-02177-00 Rev. A350AUTOMATIC FLIGHT CONTROL SYSTEMSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL&CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEXLATERAL MODESThe following table relates each Garmin AFCS lateral mode to its respective control and annunciation. Referto the combination modes section for information regarding Go Around and Takeoff modes.Lateral Mode Description Control Annunciation Maximum RollCommand LimitRoll HoldHolds the current aircraft rollattitude or rolls the wings level,depending on the commandedbank angle(default) ROL 22°Heading Select Captures and tracks the SelectedHeadingHDGKey HDG 22°Navigation, GPS Arm/Capture/TrackCaptures and tracks the selectednavigation source (GPS, VOR,LOC)NAVKeyGPS 22° Capture10° TrackNavigation, VOR Enroute Arm/Capture/Track VOR 22° Capture10° TrackNavigation, LOC Arm/Capture/Track(No Glideslope) LOC 22° Capture10° Track* No annunciation appears in the AFCS Status Box. The acceptable bank angle range is indicated in green along the RollScale of the Attitude Indicator.Table 7-3 Flight Director Lateral ModesThe CWS Button does not change lateral references for Heading Select, Navigation, Backcourse, or ApproachMode. The autopilot guides the aircraft back to the Selected Heading/Course upon release of the CWS Button.ROLL HOLD MODE (ROL)NOTE: If Roll Hold Mode is activated as a result of a mode reversion, the flight director rolls the wings level.When the flight director is activated or switched, Roll Hold Mode is selected by default. This mode isannunciated as ‘ROL’ in the AFCS Status Box. The current aircraft bank angle is held, subject to the bankangle condition.Bank Angle Flight Director Response< 6° Rolls wings level6 to 22° Maintains current aircraft roll attitude> 22° Limits bank to 22°Table 7-4 Roll Hold Mode ResponsesFigure 7-10 Roll Hold Mode Annunciation
