User Guide

Garmin G1000 Pilot’s Training Guide – Instructor’s Reference
190-00368-04 Rev. A
4
GROUND LESSONS
Exercise 1.2: Component Review
1. Define the following equipment abbreviations and acronyms:
• AHRS = Attitude and Heading Reference System: solid-state electrical gyro system
• ADC = Air Data Computer: calculates and digitizes pitot, static and temperature inputs
• TIS = Traffic Information Service: FAA Mode S carried traffic awareness
• Terrain = Non-certified terrain avoidance situational awareness tool
2. Describe the function of the following components of the G1000 Integrated Avionics System:
• GRS 77 = AHRS
• GMU 74 = Tri-axis magnetometer
• GIA 63 = System interface and COM/NAV/GPS system
• GDU 1040 = PFD and MFD displays
• GTX 33 = Mode S transponder
• GMA 1347 = Digital audio panel
• GDL 69 = Weather datalink receiver
• GMA 1347 = Automatic Flight Control System
3. What is the primary interface used between the G1000 components?
Digital, uni-directional Ethernet bus using a proprietary Garmin protocol