Nat AA83-001 InterMUSIC Installation And Operation Manual
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Nat AA83-001 InterMUSIC Installation And Operation Manual

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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
These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification
Control Number(ECCN) EAR99. When exporting, diversion contrary to U.S. law is prohibited.
for more information.

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Summary of Contents for Nat AA83-001 InterMUSIC

  • Page 1 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 SM09-2 AA83-001 InterMUSIC™ Stereo Intercom System INSTALLATION AND OPERATION MANUAL REV 4.10 October 20, 2004 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Copyright 2004 by Northern Airborne Technology CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 4 SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual Periodically NAT will release manual amendments. In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment record.

  • Page 5: Table Of Contents

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual Table of Contents Section Title Page Description Introduction Purpose of Equipment Features 1.3.1 Stereo & Intercom Special Features 1.3.2 Communication Functions Specifications 1.4.1 Electrical Specifications 1.4.2 Physical Specifications 1.4.3 Environmental Specifications...
  • Page 6 SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual Section Title Page 3.3.3 Annunciator 3.3.4 VOX Operation 3.3.5 Mode Switch 3.3.6 Automatic Fail-safe 3.3.7 Muting Explanation Oct 20, 2004 Page iv ENG-FORM: 820-0109.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 7: Description

    Introduction This manual contains information on the AA83-001 InterMUSIC™. All derivative products will be covered by manual supplements, which can be obtained from NAT as required. Information in this section consists of purpose of equipment, features and specifications. Purpose of Equipment The AA83-001 is a 4-place stereo voice-activated intercom that provides full intercom capabilities for the pilot and copilot and two passengers (PAX).

  • Page 8: Specifications

    AA83-001 InterMUSIC™Stereo Intercom System Manual SM09-2 Rev. 4.10 Specifications 1.4.1 Electrical Specifications Input Power: +11 to +32 Vdc. Nominal 14/28 Vdc systems Supply Current: 0.4 A max. (full output power, all users) Headset Power: Typical 100 mW into each side each headset (300 Ω...

  • Page 9: Physical Specifications

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™Stereo Intercom System Manual 1.4.2 Physical Specifications Dimensions excluding front panel: Height 1.30" (33.0 mm) Length 5.60" (142.2 mm) Width 2.60" (66.0 mm) Weight 0.6 lbs (283.5 g) excluding external hardware Mounting Horizontal or vertical through-panel mounting 1.4.3...

  • Page 10: Installation

    2.2.1 Warranty Complete the warranty card information and send it to NAT when the installation is complete. If you fail to complete the warranty card, the warranty will be activated on date of shipment from NAT. Note: An appropriately rated facility, e.g. Certified Aircraft Repair Station, must install this equipment in accordance with applicable regulations.

  • Page 11: Cautions

    2.2 kΩ resistor shown in the installation drawing. This is used to equalize ICS Tie Line loading when changing from the tie to split connections. If you are not familiar with Tie Line techniques, request the installation bulletin from NAT covering Tie Line theory and practice.

  • Page 12: Adjustments

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual 2.3.5 Adjustments The unit ships from the factory with all internal adjustments set to the normal test levels. Once installed in the aircraft, it may be desirable to change some of these settings to best suit the local operating environment.

  • Page 13: Setting Music Input Compatibility

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual 2.3.6 Setting Music Input Compatibility The AA83-001 (S/N 1091and up) can be configured to be Low-Z or High-Z circuits by two internal jumpers (J103 and J104), which can be accessed by removing the cover and top PCB from the AA83-001.

  • Page 14: Post-Installation Checks

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual Remove the protective plastic film from the black metal faceplate, and position it with the appropriate legend orientation facing out. Secure with the mounting screws provided. Note: Ensure that the aircraft panel is tightly ‘sandwiched’ between the AA83-001 and the faceplate.

  • Page 15: Final Check

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual 2.3.7.2 Power On checks Install the AA83-001 and power up the aircraft’s systems, and turn on the radios and accessories required. Verify normal operation of all functions. Refer to Section 3 for specific operation details.

  • Page 16: Continued Airworthiness

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual Continued Airworthiness Maintenance of the AA83-001 is ‘on condition’ only. Periodic maintenance of this product is not required. Accessories Required Installation kit p/n AA83-IKC is required to complete the installation. The kit consists of...
  • Page 17 These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification Control Number(ECCN) EAR99. When exporting, diversion contrary to U.S. law is prohibited.
  • Page 18 These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification Control Number(ECCN) EAR99. When exporting, diversion contrary to U.S. law is prohibited. Confidential and Proprietary to NAT...
  • Page 19 These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification Control Number(ECCN) EAR99. When exporting, diversion contrary to U.S. law is prohibited.
  • Page 20 These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification Control Number(ECCN) EAR99. When exporting, diversion contrary to U.S. law is prohibited.

  • Page 21: Operation

    AA83-001 InterMUSIC ™ stereo intercom. General The AA83-001 InterMUSIC ™ is a stereo intercom system that supports a pilot, copilot and two passengers. It provides entertainment and communication audio in full stereo to all four headsets, and transceiver control for both the pilot and copilot.

  • Page 22: Controls And Indicators

    AA83-001 InterMUSIC™ Stereo Intercom System Manual SM09-2 Rev. 4.10 Controls and Indicators ICS VOL (Inner) MUSIC VOL (Inner) PILOT VOX (Outer) COPILOT VOX (Outer) Mode Switch Annunciator 3.3.1 ICS VOL/VOX The ICS VOL/PILOT VOX control is a fluted concentric rubber knob on the left side of the front panel.

  • Page 23: Vox Operation

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual 3.3.4 VOX Operation The VOX control is used to set the level of audio required to activate the microphones. The AA83-001 provides three modes of intercom operation, selected by the position of the VOX control.

  • Page 24: Automatic Fail-Safe

    If an outboard AA82 has been installed (or some other NAT system with tie line capability), then this switch will open and close the tie line output to create common or split intercom circuits with the external system.

  • Page 25: Muting Explanation

    SM09-2 Rev. 4.10 AA83-001 InterMUSIC™ Stereo Intercom System Manual 3.3.7 Muting Explanation When transmitting, any music will be muted quickly, and will slowly return when transmission is completed. Music will also be muted when ICS or RX functions are active. The degree of muting is set via the MUSIC MUTE adjustment explained in the installation section of this manual.

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