190-00709-00 Rev. A Garmin G1000 Pilot’s Guide for the Socata TBM 850 2-29FLIGHT INSTRUMENTSVERTICAL NAVIGATION (VNV) INDICATIONSWhen a VNV flight plan has been activated, VNV indications (VNV Target Altitude, RVSI, VDI) appear on thePFD in conjunction with the “TOD within 1 minute” message and “Vertical track” voice alert. See the FlightManagement and AFCS sections for details on VNV features. VNV indications are removed from the PFDaccording to the criteria listed in Table 2-3.RequiredVerticalSpeed BugVerticalDeviationIndicatorEnroutePhase ofFlightVNV TargetAltitudeGPS isSelectedNavigationSourceTop of Descent MessageFigure 2-42 Vertical Navigation Indications (PFD)CriteriaVNV Indication RemovedRequired VerticalSpeed (RVSI)VerticalDeviation (VDI)VNV TargetAltitude*Aircraft > 1 min before the next TOD and not on a descent leg X X XAircraft > 1 min before the next TOD due to flight plan change X X XVNV cancelled (CNCL VNV Softkey pressed on MFD) X X XDistance to active waypoint cannot be computed due tounsupported flight plan leg type (see Flight ManagementSection)X X XAircraft > 250 feet below active VNV Target Altitude X X XCurrent crosstrack or track angle error has exceeded limit X X XActive altitude-constrained waypoint can not be reached withinmaximum allowed flight path angle and vertical speed X XLast altitude-constrained waypoint in active flight plan reached X X(30 sec before) XTable 2-3 VNV Indication Removal Criteria
