Definitions And Abbreviations - Garmin GTN 6XX System Maintenance Manual

1.3 Definitions and Abbreviations

The following terminology is used within this document:
AC: Alternating Current
ADS-B: Automatic Dependent Surveillance Broadcast
AGC: Automatic Gain Control
AGCS: Automatic Ground Clutter Suppression
AHRS: Altitude and Heading Reference System
AML: Approved Model List
BIT: Built-In Test
CDI: Course Deviation Indicator
CFR: Code of Federal Regulations
COM: Communications
CRG: Cockpit Reference Guide
CSA: Conflict Situational Awareness
DME: Distance Measuring Equipment
EFIS: Electronic Flight Instrument System
EHSI: Electronic Horizontal Situation Indicator
FIS-B: Flight Information Services Broadcast
FPGA: Field-Programmable Gate Array
G/S: Glideslope
GAD: Garmin Interface Adapter
GDL: Garmin Datalink
GMA: Garmin Audio Panel
GNS: Garmin Navigation System
GPS: Global Position System
GSR: Garmin Services
GTN: Garmin Touch Navigator
GWX: Garmin Weather Radar
HSDB: High-Speed Data Bus
ICA: Instructions for Continued Airworthiness
ICS: Intercom System
IFR: Instrument Flight Rules
ILS: Instrument Landing System
IRU: Inertial Reference Unit
LED: Light Emitting Diode
LOC: Localizer
LOI: Loss of Integrity
LRU: Line Replaceable Unit
MHz: Mega-Hertz
NAV: Navigation
OBS: Selected Course
PA: Passenger Address
System Maintenance Manual GTN 6XX/7XX Part 23 AML STC 190-01007-A1
Page 1-2 Rev. 5