Garmin G3X Touch Pilot's Manual page 28

System Overview
• GMC 305/GMC 307 (AFCS Mode Controllers)
Automatic Flight Control System (AFCS) Mode Controller. The GMC 305/GMC 307
–
provides an additional user interface for the autopilot and flight director functions
of the G3X system. The GMC 307 is available with or without the Yaw Damper
'YD' feature.
• GMC 507 (AFCS Mode Controller)
Automatic Flight Control System (AFCS) Mode Controller. The GMC 507 provides a
–
user interface for the autopilot and flight director function of the G3X system.
• GPS 20A (WAAS GPS Position Source)
– Provides an ADS-B Out position source. The WAAS/SBAS position information
is compatible with a wide range of 1090 ES transponders to meet the position
requirements of 14 CFR 91.227.
8
GMC 305
GMC 307
GMC 507
Garmin G3X Touch Pilot's Guide 190-01754-00 Rev. L