190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page H-54
12. Engage the autopilot and verify it properly disconnects with a short press and release of the CWS/
DISCONNECT button.
a) If the audio output of the G3X system is connected to the aircraft audio system, verify the
pilot hears an autopilot disconnect tone when disconnecting the autopilot.
H.4.5.5 Yaw Damper Setup
The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the yaw
damper system on the ground in normal mode. This phase of the checkout requires a valid output from the
ADAHRS. This means the post installation procedures must have been completed on the ADAHRS before
performing the on ground autopilot normal mode checkout.
1. Leave the yaw damper disengaged and verify the rudder pedals can be manipulated smoothly with
no control system binding.
2. Engage the autopilot in YD mode.
a) With no GMC Mode Controller:
i. YD not supported
b) With a GMC Mode Controller:
i. Press the YD button on the GMC Mode Controller
3. Verify the rudder properly moves to the correct direction by standing by the tail of the aircraft,
facing the vertical stabilizer, and pushing on the fuselage. The rudder should move AWAY from
you (the rudder should move in the same direction the rear fuselage is moving):
Figure H-15 Verify Correct Rudder Direction
a) If the rudder does not move the correct direction, correct the yaw servo direction
documented in Servo Wiring Checkout Step 11
.
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