Garmin G3X Installation Manual page 651

c) Use the rudder trim switch to input a yaw left TRIM command. Verify the rudder trim
switch properly moves for yaw left trim. Verify the Yaw servo is properly indicating YAW
LEFT trim activity.
d) If the rudder trim response is reversed, go to the Autopilot Configuration page and change
the Yaw Damper Servo Direction to Reverse, then repeat step all of step 8.
190-01115-01 G3X/G3X Touch Install Manual - GDU 45X/46X Config and Post Install Checkout
Rev. AA Page 32-56