G5 Electronic Flight Instrument Pilot's Guide for Non-Certified Aircraft
190-02072-00 Rev. G
65
AFCS
System Overview
Flight Instruments
AFCS
Additional F
eatur
es
Index
3.1.14.2 HEADING SELECT MODE (HDG)
NOTE:
HDG mode is available in a standalone installation with a magnetom-
eter and when the G5 is configured as a backup in a G3X/G3X Touch system
and the G5 is receiving magnetic heading data from an ADAHRS unit.
Heading Select Mode is activated by pressing the
HDG
Key. Heading Select Mode
acquires and maintains the Selected Heading. The Selected Heading is shown by a
light blue bug on the HSI and in the box on the bottom right of the HSI.
Changing the selected heading:
1)
Press the Knob to display the Menu.
2)
Select
Heading
and use the Knob to change the Selected Heading.
Or
Rotate the
HDG Knob
(GMC 307 only).
Activating heading mode:
Press the
HDG
Key on the GMC.
Holding the CWS Button (if equipped) and hand-flying the aircraft does not change
the Selected Heading. The autopilot guides the aircraft back to the Selected Heading
upon release of the CWS Button.
Turns are commanded in the same direction as Selected Heading Bug movement,
even if the bug is turned more than 180˚ from the present heading (e.g., a 270˚ turn
to the right). However, Selected Heading changes of more than 330˚ at a time result
in turn reversals.
Figure 3-15 Heading Mode Annunciation
