Northern Airborne Technology AA85 - Manual (Page 11)

SM38 Rev. 4.10 AA85 InterVOX II™ Intercom Manual
Section 1 Description
1.1 Introduction
This manual contains information on the AA85-001 Intervox II Intercom.
Information in this section consists of purpose of equipment, features, specifications,
and unit nomenclature.
1.2 Purpose of Equipment
The AA85-001 InterVox II Intercom provides full radio and intercom capabilities for the
pilot and copilot, plus intercom and receive radio functions for up to four passengers.
The music input provides entertainment audio at all positions.
1.3 Features
The AA85-001 has been designed to be backward compatible with the AA80. This
allows simple upgrades to existing installations. The AA85-001 can be configured to
simulate any of the following AA80 InterVox units:
- AA80-001
- AA80-020
- AA80-060
- AA80-062
Stereo music source is selectable between portable cassette tape/CD players and
remote CD changers/am/fm cassette players.
Receive audio and microphone input will mute the music to an adjustable level.
Both crew and passenger receive audio controlled by trimpots.
Individual VOX detector on each of the microphone inputs and on the ICS tie line.
In Crew Isolate mode, the crew and passengers have separate headset audio with
independent music muting and the passenger's radio receive audio is muted
continuously.
Number of passenger headsets, ICS Tie Line and ICS Key Line configuration are
selected by configuration switches.
DIP switches accessible through the side of the unit control the ICS gain for multiple unit
installations.
June 9, 2004 Page 1-1
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