190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page H-49
H.4.5.4 Autopilot Setup
The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the
autopilot system on the ground in normal mode. This phase of the checkout requires a valid aircraft
heading and pitch output from the ADAHRS. This means the post installation procedures must have
already been completed on the ADAHRS before performing the on ground autopilot normal mode
checkout.
1. Leave the autopilot disengaged and verify the controls can be manipulated smoothly with no
control system binding.
2. Engage the autopilot in HDG/PIT mode and command a nose down, left bank.
a) With no GMC Mode Controller:
i. Press the HDG/ROLL softkey on the PFD
ii. Press the AP HDG softkey on the PFD
iii. Push and hold the joystick to center the HDG bug
iv. Turn the joystick counter-clockwise to command a left turn
v. Bump the joystick down to command a pitch down
b) With a GMC Mode Controller:
i. Press the AP button on the GMC Mode Controller
ii. Press the HDG button on the GMC Mode Controller
iii. Push the HDG softkey on the PFD
iv. Push and hold the joystick on the PFD to center the HDG bug
v. Turn the joystick on the PFD counter-clockwise to command a left turn
vi. Turn the wheel on the GMC Mode Controller to command a pitch down
3. Verify the stick properly moves in a direction that would cause the aircraft to pitch down and roll
to the left smoothly with no control system binding.
Figure H-11 Stick Position Nose Down, Bank Left
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