Garmin G3X Touch
™
Pilot’s Guide for Certified Aircraft
190-02472-00 Rev. D
308
AFCS
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FeaturesAFCSAnnun/AlertsAppendixIndex
SELECTED ALTITUDE CAPTURE MODE (ALTS)
Selected Altitude Capture Mode is automatically armed with activation of the
following modes:
• Pitch Hold
• Vertical Speed
• Indicated Airspeed
• TO/GA (GMC control unit)
• Vertical Path Tracking (if the
Selected Altitude is to be
captured instead of the VNV
Target Altitude)
The white ‘ALTS’ annunciation indicates Selected Altitude Capture Mode is armed.
Touch the autopilot on the PFD and touch ALT
.
Use the large knob associated with
the PFD
and adjust the Selected Altitude until the Selected Altitude Capture Mode
becomes active.
As the aircraft nears the Selected Altitude, the flight director automatically transitions
to Selected Altitude Capture Mode with Altitude Hold Mode armed. This automatic
transition is indicated by the green ‘ALTS’ annunciation flashing for up to 10 seconds
and the appearance of the white ‘ALTS’ annunciation. The Selected Altitude is shown
as the Altitude Reference beside the ‘ALTS’ annunciation.
Automatic transition to ALTS
Mode with ALT Mode armed
At 50 feet from the Selected Altitude, the flight director automatically transitions
from Selected Altitude Capture to Altitude Hold Mode and holds the reference altitude.
As Altitude Hold Mode becomes active, the white ‘ALTS’ annunciation moves to the
active vertical mode field and flashes green for 10 seconds to indicate the automatic
transition.
Automatic transition to ALTS
Mode with ALT Mode armed
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