Garmin G1000H Bell 407GX Pilot's Guide - Page 83

FLIGHT INSTRUMENTS VERTICAL NAVIGATION (VNV) INDICATIONS When a VNV flight plan has been activated, VNV indications (VNV Target Altitude, RSVI, VDI) appear on the PFD in conjunction with the "TOD within 1 minute" message and "Vertical track" voice alert. See the Flight Management section for details on VNV features. VNV indications are removed from the PFD according to the criteria listed in Table 2-2. Top of Descent Message VNV Target Altitude Vertical Deviation Indicator Required Vertical Speed Bug GPS is Selected Navigation Source Terminal Phase of Flight Figure 2-36 Vertical Navigation Indications (PFD) Criteria Aircraft > 1 min before the next TOD due to flight plan change VNV cancelled (CNCL VNV Softkey selected on MFD) Distance to active waypoint cannot be computed due to unsupported flight plan leg type (see Flight Management Section) Aircraft > 250 feet below active VNV Target Altitude Current crosstrack or track angle error has exceeded limit Active altitude-constrained waypoint can not be reached within maximum allowed flight path angle and vertical speed VNV Indication Removed Required Vertical Vertical VNV Target Speed (RSVI) Deviation (VDI) Altitude X X X X X X X X X X X X X X X X X Table 2-2 VNV Indication Removal Criteria 190-01255-00 Rev. A Garmin G1000H™ Pilot's Guide for the Bell 407GX 71