AFMS, GARMIN G500 PFD/MFD SYSTEM 190-01102-01 Rev. 9FAA APPROVED Page 40 of 404.6.9 GAD 43 OperationThe GAD 43 Adapter provides attitude, heading, and barometric correctioninformation from the G500 System to the autopilot. The GAD 43 can also beconfigured to provide synchro heading output to other systems and its attitudeoutput can be used for RADAR stabilization. The GAD 43 has the ability todisconnect the autopilot if an error in the GAD 43 output or GRS 77 is detected.This disconnect mechanism must be tested prior to each flight in the followingmanner:1. Upon G500 startup, an AP TEST soft key will be available on the G500PFD side of the G500 display.2. Engage the AP while on the ground.3. Press the AP TEST soft key and verify that the autopilot disconnects.CAUTIONDo not use the autopilot if the AP TEST key fails to disengage the autopilotnormally.NOTEPressing and holding the AP TEST key for longer than 1 second willprevent the test from running and the AP TEST key will remain displayed.4.6.10 Dual G500 Autopilot InterfaceIf the installation has dual G500 PFD/MFD systems installed, control ofnavigation course, heading, or altitude data affecting the autopilot from the co-pilot side can only be made if the systems are synchronized with each other.Refer to the Garmin G500 Cockpit Reference Guide for additional information.Section 5. PERFORMANCENo change.Section 6. WEIGHT AND BALANCESee current weight and balance data.Section 7. SYSTEM DESCRIPTIONSSee Garmin G500 PFD/MFD System Cockpit Reference GuideP/N 190-01102-03 for basic operational aspects of the system. For a completedetailed explanation of all the G500’s capabilities see the G500 Pilot’s GuideP/N 190-01102-02.