190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
449
AUTOMATIC FLIGHT CONTROL SYSTEM
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Figure 7-1 GMC 715 AFCS Control Unit
1619 15
1 2 3 4 5 6 7 8 9 10
The following AFCS controls are located separately from the AFCS Control Unit:
AP DISC Switch
(Autopilot
Disconnect)
Disengagestheautopilotandyawdamper,andinterruptspitchtrimoperation
An AP DISC Switch is located on each control wheel.
This switch may be used to acknowledge an autopilot disconnect alert and mute
the associated aural alert.
CWS Button
(Control Wheel
Steering)
Whilepressed,allowsmanualcontroloftheaircraftwhiletheautopilotisengagedand
synchronizestheightdirector’sCommandBarswiththecurrentaircraftpitch(ifnot
inGlideslopeorGlidepathMode)androll(ifinRollHoldMode)
A CWS Button is located on each control wheel.
Upon release of the CWS Button, the flight director may establish new pitch and
rollreferences,dependingonthecurrentverticalandlateralmodes.CWSoperation
details are discussed in the respective mode sections of this manual.
TO/GA Switch
(Go Around)
Disengages the autopilot, if engaged, and selects ight director Takeoff Mode (on
ground)orGoAroundMode(inair)
The TO/GA Switch is located on the throttle handle.
This switch also activates the missed approach when the selected navigation source
isGPSorwhenthenavigationsourceisVOR/LOCandavalidfrequencyhasbeen
tuned.
MEPT Switch
(Manual Electric
Pitch Trim)
Used to command manual electric pitch trim
An MEPT Switch is located on each control wheel.
The pilot side MEPT Switch has priority over the copilot side MEPT Switch.
Thiscompositeswitchissplitintoleftandrightsides.TheleftswitchistheARM
contactandtherightswitchcontrolstheDN(forward)andUP(rearward)contacts.
Manualtrimcommandsaregeneratedonlywhenbothsidesoftheswitchareoperated
simultaneously.PushingeitherMEPT Switch disengages the autopilot, if engaged,
but does not affect yaw damper operation.