Garmin GFC 600H Pilot's Manual page 28

HFCS
A
ctivAting the
The System Engagement Keys (FCS, FD, CPL) provide an interface to toggle FD
Modes ON/OFF. When the system is in ATT (Attitude Hold) Mode, selecting a Mode
Engagement Key will couple that single Flight Director Mode and maintain the previous
ATT command on the remaining servo.
Deselecting active Flight Director Modes will return the system to ATT Mode.
The FD Key is disabled when the Helicopter Flight Control System is
NOTE:
engaged.
c
ommAnD
Upon activation of the Flight Director, Command Bars are displayed in magenta on
the PFD. The HFCS provides Flight Director Command Bars when the Flight Director
is decoupled from the servos. The Command Bars are not provided for ATT Mode.
Command Bars may be displayed for either the vertical axis, lateral axis, or both. The
Command Bars represent the direction the pilot should pitch and/or bank the aircraft
to center Command Bars on the aircraft symbol.
18
F D
light
B o g
Ars n Armin
Flight Director Command Bars on Garmin GDU 620 PFD
Garmin GFC 600H Pilot's Guide
irector
PFD
Lateral Axis
Command Bar
Vertical Axis
Command Bar
190-02081-04 Rev. A