Garmin G3X Touch
™
Pilot’s Guide for Certified Aircraft
190-02472-00 Rev. D 319
AFCS
System
Overview
Flight
Instruments EIS
CNS
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
Additional
Features AFCS Annun/Alerts Appendix Index
ROLL HOLD MODE (ROL)
NOTE: If Roll Hold Mode is activated as a result of a mode reversion, the
flight director rolls the wings level.
When the flight director is activated or switched, Roll Hold Mode is selected by
default. This mode is annunciated as ‘ROL’ in the Autopilot Status Box. The current
aircraft bank angle is held, subject to the bank angle condition.
Roll Hold Mode Annunciation
Bank Angle Flight Director Response
< 6° Rolls wings level
6 to 20° Maintains current aircraft roll attitude
>20° Limits bank to 20°
Roll Hold Mode Responses
CHANGING THE ROLL REFERENCE
When operating in Roll Hold Mode, the roll reference can be adjusted in the following
ways:
•
To decrease the roll reference, turn the inner knob associated with
the PFD right. The AFCS slowly decreases the bank angle. The current
bank angle is held (if the bank angle exceeds 6
°
). If the bank angle
is less than 6
°
, the AFCS will roll the aircraft wings level.
HEADING SELECT MODE (HDG)
Heading Select Mode is activated by touching the autopilot, then touching
HDG or
the HDG Key (GMC control unit)
. Heading Select Mode acquires and maintains
the Selected Heading. The Selected Heading is shown by a cyan bug on the HSI and in
the box to the upper left of the HSI.
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