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Press to re-center the Course Deviation Indicator (CDI) and return course pointer directly TO the bearing of the active waypoint/station
10
SPD Key
Toggles Airspeed Reference between IAS and Mach for Flight Level Change Mode
11
NOSE UP/DN Wheel
Adjusts the reference in Pitch Hold, Vertical Speed, and Flight Level Change modes (see Table 7-1 for change increments in each mode)
12
VNV Key
Selects/deselects Vertical Path Tracking Mode for Vertical Navigation flight control
13
ALT SEL Knob
Controls the Selected Altitude in 100-ft increments (a finer resolution of 10 feet is available under approach conditions)
14
YD Key
Engages/disengages the yaw damper
15
AP Key
Engages/disengages the autopilot
16
BANK Key
Manually selects/deselects Low Bank Mode
18
BC Key
Selects/deselects Backcourse Mode
19
HDG Knob
Adjusts the Selected Heading and bug in 1° increments on the HSI (both PFDs)
Press to synchronize the Selected Heading to the current heading on the pilot-side PFD
Figure 7-1 GMC 710 AFCS Control Unit12345678Annunciator Light109171615141312111819
190-00494-02 Rev. B Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 365
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EICAS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
The following AFCS controls are located separately from the AFCS Control Unit:
AP DISC Switch
(Autopilot Disconnect)
Disengages the autopilot, yaw damper, and flight director and interrupts pitch trim operation
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 tone.
CWS Button
(Control Wheel Steering)
While pressed, allows manual control of the aircraft while the autopilot is engaged and synchronizes the flight director’s Command Bars with the current aircraft pitch (if not in a Vertical Navigation, Glideslope, or Glidepath Mode) and roll (if in Roll Hold Mode)
A CWS Button is located on each control wheel.
Upon release of the CWS Button, the flight director may establish new pitch and roll references, depending on the current vertical and lateral modes. CWS operation details are discussed in the respective mode sections of this manual.
GA Switch
(Go Around)
Disengages the autopilot and selects flight director Takeoff (on ground) or Go Around (in air) Mode
If an approach procedures is loaded this switch also activates the missed approach when the selected navigation source is GPS or when the navigation source is VOR/LOC and a valid frequency has been tuned.
The GA Switch is located on the throttle.
MEPT Switch
(Manual Electric Pitch Trim)
Used to command manual electric pitch trim
An MEPT Switch is located on each control wheel.
This composite switch is split into left and right sides. The left switch is the ARM contact and the right switch controls the DN (forward) and UP (rearward) contacts. Pushing the MEPT ARM Switch disengages the autopilot, if currently engaged, but does not affect yaw damper operation. The MEPT ARM Switch may be used to acknowledge an autopilot disconnect alert and mute the associated aural tone.
Manual trim commands are generated only when both sides of the switch are operated simultaneously. If either side of the switch is active separately for more than three seconds, MEPT function is disabled and ‘PTRM’ is displayed as the AFCS Status Annunciation on the PFDs. The function remains disabled until both sides of the switch are inactivated.
366 Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 190-00494-02 Rev. B
Automatic utomatic utomatic Flight Control System ystem
SYSTEM
OVERVIEW
FLIGHT
AUDIO PANEL EICAS INSTRUMENTS
& CNS
FLIGHT
MANAGEMENT
HAZARD
ADDITIONAL AFCS AVOIDANCE
INDEX APPENDICES FEATURES
7.2 Flight Directorirector Operationperation
The flight director function provides pitch and roll commands to the AFCS and displays them on the PFDs. With the flight director active, the aircraft can be hand-flown to follow the path shown by the Command Bars. Maximum commanded pitch (±20°) and roll (30°) angles, vertical acceleration, and roll rate are limited to values established during AFCS certification. The flight director also provides commands to the autopilot.
Activatingctivatingctivating the Flight Directorirector
An initial press of a key listed in Table 7-1 (when the flight director is not active) activates the pilot-side flight director in the listed modes. The flight director may be turned off and the Command Bars removed from the displays by pressing the FD Key again. The FD Key is disabled when the autopilot is engaged.
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Cessna Citation Mustang Pilot’Guide 2(28)
