User Guide

190-00368-06 Rev. A Garmin G1000 Pilot’s Training Guide Instructor’s Reference 7
• GMA 1347
The Audio Panel integrates navigation/communication radio (NAV/COM) digital audio,
intercom, and marker beacon controls, and is installed between the displays. This unit
also provides manual control of display reversionary.
• GDL 69/69A
The Datalink Satellite Radio Receiver provides real-time weather information to the
G1000 MFD and PFD Inset Map, as well as digital audio entertainment (GDL 69A only).
A subscription to XM Satellite Radio Service is required to enable the GDL 69A capability
• GWX 68
The Airborne Weather Radar is a four-color digital pulsed radar.
• GFC 700
The GFC 700 is a fully-integrated Automatic Flight Control System (AFCS), which
includes a flight director, autopilot, and manual electric trim capability.
3. What is the primary interface used between the G1000 components?
Digital, uni-directional Ethernet buses using a proprietary Garmin protocol are the
primary communication links between G1000 Line Replaceable Units (LRUs).