190-00728-04 Rev. A
Embraer Prodigy® Flight Deck 100 Pilot’s Guide
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AUTOMATIC FLIGHT CONTROL SYSTEM
SECTION 7 AUTOMATIC FLIGHT CONTROL SYSTEM
NOTE: The approved Airplane Flight Manual (AFM) always supersedes this Pilot’s Guide.
The GFC 700 is a digital Automatic Flight Control System (AFCS) that is fully integrated within the avionics
architecture. The System Overview section provides a block diagram to support this system description.
GFC 700 AFCS functionality is distributed across the following Line Replaceable Units (LRUs):
•GDU1240APrimaryFlightDisplays(PFDs)(2)
•GMC715AFCSControlUnit
•GIA63WIntegratedAvionicsUnits(IAUs)(2)
•GSA81AFCSServos(3)
•GSM85AServoGearboxes(3)
The GFC 700 AFCS can be divided into these main operating functions:
•Flight Director (FD) — The GFC 700 flight director function can be coupled to either the pilot-side or
copilot-sidePFDdata.TheCPLKeyselectsthePFDsourcefortheFlightDirector.Commandsfortheselected
ightdirectorsourcearedisplayedonbothPFDs.Theightdirectorprovides:
– Vertical/lateral mode selection and processing
– Command Bars showing pitch/roll guidance
  –Pitchandrollcommandstotheautopilot
•Autopilot (AP)—Autopilot operationoccurswithinthe pitchandrollservos. Itprovidesautomaticight
control in response to flight director steering commands, Attitude and Heading Reference System (AHRS)
attitude and rate information, and airspeed.
•Yaw Damper (YD)—TheyawservoprovidesDutchrolldampingandturncoordinationinresponsetoyaw
rate, roll angle, lateral acceleration, and airspeed.
•Manual Electric Pitch Trim (MEPT) — The pitch trim system provides manual electric pitch trim
capability.
•Automatic Pitch Trim (APT) — The pitch trim system provides automatic pitch trim when the autopilot is
engaged