Garmin G500, Pilot'S Manual

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1-70 Pilot’s Guide 190-01717-10 Rev. H
System Description
1.31.4 PFD Controller
FUNCTIONAL LIMITATIONS
•
Applicable to PFD only
•
Selecting a data field does not automatically open control menu
An optional GCU 485 PFD controller provides dedicated PFD controls. Although
control of PFD functions is available using the GDU knobs and touchscreen, the PFD
controller provides dedicated knobs for heading, altitude, vertical speed, airspeed,
and BARO setting. Dedicated keys are provided for CDI source selection, GPSS
emulation mode, altitude capture arming, and vertical speed mode engagement.
If configured, the PFD controller is used to control a Standby PFD.
GCU 485 Features
•
Control knobs offer alternative ways to adjust reference bugs and barometric
settings
•
Push button configuration depends on the interfacing autopilot: CDI, GPSS,
ARM, and ENG
•
Lighting may be controlled by the aircraft lighting or the internal photocell
(dependent upon configuration)
PFD CONTROLLER OPTIONS
CONTROL FUNCTION
ALT Sets the selected altitude bug.
HDG Sets the selected heading bug.
BARO
Sets the selected barometric pressure value. Pushing
the knob reverts the setting to standard.
IAS Sets the selected indicated airspeed.
VS Sets the selected vertical speed.
ARM Arms the autopilot altitude capture function.
CDI Changes the NAV source for the CDI.
ENG Engages the autopilot vertical speed mode.
GPSS Engages or disengages GPSS mode.