
AA83-001 InterMUSIC™ Stereo Intercom System
SM09-2A Installation and Operation Manual
April 18, 2012 Rev: 5.00 Page 3-1
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
Section 3.0 Operation
3.1 Introduction
Information in this manual consists of the functional and operational procedures for the AA83-001
InterMUSIC
™
Stereo Intercom, serial numbers 2939 and later.
3.2 General Operation
The AA83-001 is a 4-place stereo voice-activated intercom, providing full intercom capabilities for pilot,
copilot and two passengers (PAX). The AA83-001 has a built-in tieline with tie/split capability, providing
support for additional users in a multi-unit system.
The AA83-001 also provides transmit capability for pilot and co-pilot to a single COM radio or audio
selector panel. The AA83-001 accepts stereo music inputs from either portable or fixed entertainment
systems to produce high quality stereo headset output.
The InterMUSIC
™
family of stereo intercoms allows several installation configurations - from single unit
systems, to fully independent stations for the pilot, copilot and passengers. For expanded systems, tie
line connections are compatible with other AEM systems including AA82, AMS4x and AA9x series units.
3.2.1 Stereo & Intercom Special Features
The stereo music audio is muted during transmit or intercom operation and when radio receive audio is
detected, permitting greater intelligibility of incoming transmissions. The AA83-001 muting depth
adjustment ranges from complete music muting to gentle background music on command, with a fast
attack and slow level return for optimum user comfort. Each microphone is individually gated, for the best
possible noise performance during VOX operation. A front panel annunciator allows easy visual setting of
the VOX threshold, and also indicates transmit operation.
3.2.2 Communication Functions
The AA83-001 provides full boom-mic transmit and ICS functions for the pilot and copilot, and provides
ICS and radio monitor operation for two additional passengers. Pilot priority on transmit and pilot
isolation/fail-safe (direct connection to the aircraft radio system) are standard features on all AEM
intercom systems. The AA83-001 can support PTT ICS operation for all users, and can be wired to
cyclic/yoke switches for both TX and ICS functions.
3.2.3 Important Operating Considerations
Ensure headsets are of good quality and are installed correctly. NEVER USE MONO AIRCRAFT
HEADSETS in this system unless the installation has been specifically wired for mono operation, as they
will short out one side of the AA83-001 power amplifier when installed in stereo jacks. This may result in
eventual unit failure, which IS NOT COVERED BY WARRANTY. Use only stereo headsets with this
system, and be sure the aircraft is placarded appropriately.
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