190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout
Rev. AC Page 33-66
33.4.5.8 In Air Setup
The next phase of setting up the Garmin GSA 28 based trim control system is to verify and set the proper
functionality of the trim system in the air.
This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the
flight control surfaces of the aircraft. Extreme caution should be used during this phase of
the flight test. The pilot should always have easy access to the autopilot disconnect button
so he can disconnect the autopilot and take control of the aircraft at anytime.
At a minimum, please follow the following safety guidelines before the initial autopilot engagement:
• Quick access to autopilot disconnect
• Safe altitude above and away from all terrain and obstacles
• No air traffic in the area
• Safe airspeed below maneuvering speed (V
A
)
1. Use the AUTOPILOT SETUP page to adjust the TRIM MOTOR SPEED to get the desired manual
electric trim response.
a) Press MENU two times on the GDU to enter the MAIN MENU page.
b) Select the SYSTEM SETUP page.
c) Select the AUTOPILOT page.
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