Embraer Prodigy® Flight Deck 100 Pilot’s Guide
190-00728-04 Rev. A
462
AUTOMATIC FLIGHT CONTROL SYSTEM
Priorto descentpath interception,the SelectedAltitude mustbe setbelow thecurrentaircraft altitude
byatleast75 feet.Fortheight directortotransitionfrom AltitudeHoldtoVerticalPathTrackingMode,
acknowledgmentisrequiredwithinveminutesofdescentpathinterceptionby:
•PressingtheVNV Key
•AdjustingtheSelectedAltitude
Ifacknowledgment is not received within one minute of descent path interception, the white ‘VPTH’
annunciationstartstoash. Flashingcontinues untilacknowledgedorthe descentpathis intercepted.If
thedescentisnotconrmedbythetimeofinterception,VerticalPathTrackingModeremainsarmedandthe
descent is not captured.
Inconjunctionwiththe“TOD[topofdescent]within1minute”annunciationinthePFDNavigationStatus
Boxandthe “Verticaltrack”voicemessage, VNVindications (VNVTargetAltitude,vertical deviation,and
verticalspeedrequired)appearonthePFDsinmagenta(Figure7-14).
Figure 7-14 Vertical Path Capture
Vertical Path Tracking
Armed (Flashing Indicates
Acknowledgment Required
Altitude Hold
Mode Active
GPS is Selected
Navigation
Source
Terminal
Phase of
Flight
Required
Vertical
Speed Bug
VNV Target
Altitude
Vertical
Deviation
Indicator
Selected
Altitude