user manual

Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
436
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
PITCH HOLD MODE (PIT)
Whentheightdirectorisactivated(theFDKeyispressed),PitchHoldModeisselectedbydefault.Pitch
HoldModeisindicatedastheactivepitchmodebythegreenannunciation‘PIT’.Thismodemaybeusedfor
climbordescenttotheSelectedAltitude(shownabovetheAltimeter),sinceSelectedAltitudeCaptureModeis
automaticallyarmedwhenPitchHoldModeisactivated.
InPitchHoldMode,theightdirectormaintainsaconstantpitchattitude,thepitchreference.Thepitch
reference is set to the aircraft pitch attitude at the moment of mode selection. If the aircraft pitch attitude
exceedstheightdirectorpitchcommandlimitations,theightdirectorcommandsapitchangleequaltothe
nose-up/downlimit.
CHANGING THE PITCH REFERENCE
WhenoperatinginPitchHoldMode,thepitchreferencecanbeadjustedby:
•Usingthe NOSE UP/NOSE DN Keys
•Bypressingthe CWS Button,hand-yingtheaircrafttoestablishanewpitchreference,thenreleasingthe
CWS Button
Figure 7-5 Pitch Hold Mode
Selected
Altitude
Command Bars Maintain
Desired Pitch Reference
Pitch Hold
Mode Active
Selected Altitude
Capture Mode Armed