Garmin G3X User Manual

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 10-1
10 GMC 305 (AFCS MODE CONTROLLER) INSTALLATION
NOTE
References to the GMC Mode Controller throughout this manual apply equally to the
GMC 305, GMC 307, and GMC 507 except where specifically noted.
This section contains general information as well as installation information for the GMC 305. Use this
section to mount the GMC 305 unit.
Figure 10-1 GMC 305 Unit View (-20 version shown, -00 version has no YD button)
10.1 Equipment Description
The GMC 305 is a Garmin Automatic Flight Control System (AFCS) Mode Controller that can be used in
a G3X™ avionics installation. The GMC 305 provides a user interface for the autopilot function of the
G3X system. The GMC 305 mounts flush to the aircraft instrument panel using four threaded cap screws.
10.2 Equipment Available
10.2.1 Required Equipment
Table 10-1 GMC 305 Part Numbers
Model
Assembly Part
Number
Unit Only Part
Number
GMC 305 010-01169-00 011-03226-00
GMC 305 w/Yaw Damper 010-01169-20 011-03226-20

Garmin G3X Specifications

General

Display Type	LCD
Touchscreen	Yes
Power Input	10-32 VDC
Connectivity	Bluetooth, Wi-Fi (optional)
Interfaces	RS-232
GPS	Internal GPS/WAAS receiver
AHRS	Integrated AHRS
Air Data Computer	Integrated Air Data Computer
Autopilot Compatibility	Compatible with Garmin autopilots
Operating Temperature	-20°C to +55°C
Sunlight Readability	Sunlight readable display
Screen Size	10.6 inches