Garmin G3X Installation Manual page 645

c) Use the aileron trim switch to input a roll left TRIM command. Verify the aileron trim
switch properly moves for roll left trim. Verify the Roll servo is properly indicating ROLL
LEFT trim activity.
d) If the aileron trim response is reversed, go to the Autopilot Configuration page and change
the Roll Servo Direction to Reverse, then repeat step all of step 6.
190-01115-01 G3X/G3X Touch Install Manual - GDU 45X/46X Config and Post Install Checkout
Rev. AA Page 32-50