Garmin G3X Touch Installation Manual page 670

6. Go to the Main page in configuration mode and verify the proper TRIM ACTIVITY if the Roll
servo is connected to an auxiliary trim motor.
a) Center the aileron trim switch to input no TRIM command. Verify the aileron trim switch is
not moving. Verify the Roll servo is properly indicating no trim activity.
b) Use the aileron trim switch to input a roll right TRIM command. Verify the aileron trim
switch properly moves for roll right trim. Verify the Roll servo is properly indicating ROLL
RIGHT trim activity.
190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout
Rev. AC Page 34-52