Northern Airborne Technology InterMUSIC AA83-100 Installation And Operation Manual
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Northern Airborne Technology InterMUSIC AA83-100 Installation And Operation Manual

Stereo intercom
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SPECIAL NOTICE
Ownership of this product has been transferred to Cobham Aerospace Communication
from Anodyne Electronics Manufacturing (AEM) and Northern Airborne Technology
(NAT). Cobham is responsible for all matters related to this product, including sales,
support and repair services.
Please note the transition to convert product manuals and supporting documentation is
an ongoing process and is being addressed on an 'as needed' basis.
All references to AEM and NAT product part numbers (and associated images) are
equivalent to Cobham product part numbers.
Contact info:
Cobham Aerospace Communication,
6400 Wilkinson Drive, Prescott, Arizona, 86301.
Telephone: (928) 756-1615 or refer to the following website:
www.wulfsberg.com
for more information.

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Summary of Contents for Northern Airborne Technology InterMUSIC AA83-100

  • Page 1 SPECIAL NOTICE Ownership of this product has been transferred to Cobham Aerospace Communication from Anodyne Electronics Manufacturing (AEM) and Northern Airborne Technology (NAT). Cobham is responsible for all matters related to this product, including sales, support and repair services. Please note the transition to convert product manuals and supporting documentation is an ongoing process and is being addressed on an ‘as needed’...
  • Page 2 PROPRIETARY NOTICE PROPRIETARY STATEMENT This document contains confidential and proprietary information and is the property of Chelton Avionics, Inc., a subsidiary of Cobham plc. It is to be provided in confidence on the condition that by receipt it is not reproduced or copied in whole or in part, or used to furnish such information to others, or to make use of it for purposes other than specified by the Usage Statement.
  • Page 3 INSTALLATION AND OPERATION MANUAL REV 4.00 March 4, 2005 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Copyright 2005 by Northern Airborne Technology CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 4 AMENDMENT RECORD Amendment Amendment Section(s) Date Entered By Number Date Changed Entered Insert any Amendment Instruction sheets after this page. Mar 4, 2005 Page ii ENG-FORM: 820-0109.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 5: Table Of Contents

    Controls and Indicators 3.3.1 ICS VOL/VOX 3.3.2 Music Vol 3.3.3 VOX Operation 3.3.4 Annunciator 3.3.5 MODE Control 3.3.6 Radio Functions 3.3.7 Muting Logic 3.3.8 Automatic Fail-safe Mar 4, 2005 Page iii ENG-FORM: 820-0109.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 6: Introduction

    NAT intercom systems. The AA83-100 can support PTT ICS operation for all users, and can be wired to cyclic/yoke switches for both TX and ICS functions. Mar 4, 2005 Page 1-1 ENG-FORM: 800-0107.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 7: Specifications

    Circuitry type unbalanced Bidirectional Signals ICS TIE Channel Quantity Rated level 340 mVrms nominal (170 to 680 mVrms) 2 kOhm ±10% Impedance Circuitry type unbalanced Page 1-2 Mar 4, 2005 ENG-FORM: 800-0107.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 8 Receive Input impedance 1.2 kΩ ±20 % 150 Ω ±10 % Mic Input impedance 12.5 kΩ ±10 % Music Input impedance 2 kΩ ±10 % Tie Line * Manufacturer specification Mar 4, 2005 Page 1-3 ENG-FORM: 800-0107.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 9: Mechanical Specifications

    50 000 ft. Shock 6g/11ms, 20g/11ms, 20g/3s sustained. Qualification: DO-160D Env. Cat. [(A1)(D1)X]BXB[(SMB)(UF)]XXXXXXZBAXXXMXXXX Safety of Flight requirements per RTCA/DO-160D Environmental Conditions. End of section 1 Page 1-4 Mar 4, 2005 ENG-FORM: 800-0107.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 10: Introduction

    Do not position this unit next to any device with a strong alternating magnetic field such as an inverter, motor or blower, or significant audio interference will result. Mar 4, 2005 Page 2-1 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 11: Cautions

    Before performing the following adjustments ensure the aircraft radio’s volume control is set to produce 2.5 Vrms ±10 % at the input to the AA83-100, or the mute functions may not operate correctly. Page 2-2 Mar 4, 2005 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 12: Mechanical Installation

    Secure with the mounting screws provided. Note: Ensure that the aircraft panel is tightly ‘sandwiched’ between the AA83-100 and faceplate. Mar 4, 2005 Page 2-3 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 13: Post Installation Checks

    If there is a music source in the system turn it on and verify that music is heard in all modes except PLT ISO. Check for proper mute operation. Page 2-4 Mar 4, 2005 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 14: Continued Airworthiness

    Screw, panhead, Phillips, Brass, Black 25-11-427 Knob, Fluted Concentric, Rubber 40-21-ICS3 Knob, Printed Fluted, Rubber, Music 40-18-MUS2 Legend and Template, AA83 43-10-083 Faceplate, Rectangular, AA83-100 50-04-832 Mar 4, 2005 Page 2-5 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 15: Installation Drawings

    2351 and up AA83\001\921-0 1.00 Drill Template Drill Template 2351 and up AA83\100\922-0 1.00 Stereo Intercom Mech. Installation 2351 and up Section 2 ends after these Drawings Page 2-6 Mar 4, 2005 ENG-FORM: 805-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 18 MUSIC PILOT ISO NORM LIVE INTER MUSIC LIVE INTER MUSIC MUSIC...
  • Page 20 Confidential and Proprietary to NAT...
  • Page 21 MUSIC PILOT ISO NORM LIVE INTER MUSIC...

  • Page 22: Introduction

    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. Mar 4, 2005 Page 3-1 ENG-FORM: 806-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 23: Installation Adjustments

    The MUSIC VOL control is a fluted rubber knob on the right side of the front panel, which is used to set normal music volume. The volume can be adjusted from MIN (fully ccw) to MAX (fully cw). Page 3-2 Mar 4, 2005 ENG-FORM: 806-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 24: Vox Operation

    The NORM mode (default) permits everyone on the system to talk to each other, listen to music, and hear all radio communications. Mar 4, 2005 Page 3-3 ENG-FORM: 806-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 25: Radio Functions

    Below is a simple chart to aid in understanding audio switching in the NORMAL Operation mode. Page 3-4 Mar 4, 2005 ENG-FORM: 806-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 26: Automatic Fail-Safe

    The pilot should confirm that all aspects of Automatic Fail-Safe operation are working before accepting the aircraft into service. End of section 3 Mar 4, 2005 Page 3-5 ENG-FORM: 806-0106.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

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