190-00962-02 Rev. A
Garmin G1000 Pilot’s Guide for the Diamond DA42NG
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AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
ThefollowingAFCScontrolsarelocatedinthecockpitseparatelyfromtheMFD:
AP DISC Switch
(Autopilot Disconnect)
Disengages the autopilot and interrupts pitch trim operation
This switch may be used to mute the aural autopilot disconnect alert.
The AP DISC Switch is located on each control stick.
CWS Button
(Control Wheel Steering)
While pressed, allows manual control of the aircraft while the autopilot is
engagedandsynchronizestheightdirector’sCommandBarswiththecurrent
aircraftpitch(ifnotinGlideslopeMode)androll(ifinRollHoldMode)
Upon release of the CWS Button, the ight director may establish new
reference points, depending on the current pitch and roll modes. CWS
operationdetailsarediscussedintheightdirectormodessection.
The CWS Button is located on the top of the left control stick.
GA Button (Go Around)
DisengagestheautopilotandselectsightdirectorGoAroundMode
If an approach procedure is loaded this switch also activates the missed
approachwhentheselectednavigationsourceisGPSorwhenthenavigation
source is VOR/LOC and a valid frequency has been tuned.
The GA Button is located on the left throttle handle.
AP TRIM Switch
(Autopilot Trim)
Usedtocommandmanualelectrictrim(MET)
This composite switch is split into left and right sides. The left switch is
the ARM contact and the right switch controlsthe DN (forward) and UP
(rearward) contacts. The AP TRIM ARMswitchcanbeusedtodisengage
the autopilot and to acknowledge an autopilot disconnect alert and mute the
associated aural tone.
Manualtrimcommandsaregenerated onlywhen bothsidesoftheswitch
areoperatedsimultaneously.Ifeithersideoftheswitchisactiveseparatelyfor
more than three seconds, METfunctionis disabledand‘PTRM’ isdisplayed
astheAFCSStatusAnnunciationonthePFD.Thefunctionremainsdisabled
until both sides of the switch are inactivated.
The AP TRIM Switch is located on the left control stick.