Nat SM245 Instalation And Operation Manual

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SM245

245 Speaker Amplifier

INSTALLATION AND OPERATION MANUAL

REV 4.10 June 23, 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.

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Summary of Contents for Nat SM245

  • Page 1: Speaker Amplifier

    SM245 245 Speaker Amplifier INSTALLATION AND OPERATION MANUAL REV 4.10 June 23, 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 3 SM245 Rev. 4.10 Model 245 Speaker Amplifier Manual Northern Airborne Technology Ltd. has acquired the assets of dB Systems Inc., and has revised and reissued this manual in standard NAT format. Northern Airborne Technology Ltd. will be responsible for all future amendments and revisions.
  • Page 5 SM245 Rev. 4.10 Model 245 Speaker Amplifier 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 7 INSTALL_OPS MANUAL AMENDMENT Manual: SM245 Amendment #: 1 Document # SM245\Install_Ops\809-0001 Amendment Date: Jul 19, 2006 The purpose of this amendment is to add the latest drawing revisions to the manual. Amendment Instructions: Remove Pages Replace With Pages 2-3 to 2-4 Rev 4.10 2-3 to 2-4 Rev 4.10 Amendment #1...
  • Page 9: Table Of Contents

    SM245 Rev. 4.10 Model 245 Speaker Amplifier Manual Table of Contents Section Title Page Description Introduction Purpose of Equipment Features Specifications 1.4.1 Electrical Specifications 1.4.2 Physical Specifications 1.4.3 Environmental Specifications Unit Nomenclature Installation Introduction Unpacking and Inspection 2.2.1 Warranty Installation Procedures 2.3.1...
  • Page 11: Introduction

    This manual contains information on the Model 245 Speaker Amplifier. Information on the 245-001 and 245-002 is included; all other derivative products (245-xxx) 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.
  • Page 12: Physical Specifications

    Model 245 Speaker Amplifier Manual SM245 Rev. 4.10 1.4.2 Physical Specifications Height 2.12" (53.9 mm) max Depth (excl. connectors) 3.00" (76.2 mm) max, excluding flanges 3.85" (97.8 mm) max, including flanges Width 3.60" (91.4 mm) max Weight 0.60 lbs (0.3 Kg) max 1.4.3...
  • Page 13: Introduction

    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 14: Cautions

    Model 245 Speaker Amplifier Manual SM245 Rev. 4.10 2.3.2 Cautions In all installations, use shielded cable exactly as shown and ground as indicated. Significant problems may result from not following these guidelines, especially with regard to ground loop noise. 2.3.3 Cabling and Wiring All unshielded wire shall be selected in accordance with AC43.13-1B Change 1,...
  • Page 15: Post-Installation Checks

    SM245 Rev. 4.10 Model 245 Speaker Amplifier Manual 2.3.5 Post-Installation Checks If any preset requires adjustment, be sure this is carried out before the aircraft leaves, and that the unit and its mating connector are secured before departure. Make all required log book entries, electrical load, weight and balance amendments and other paperwork as required by your local regulatory agency.
  • Page 16: Installation Drawings

    Model 245 Speaker Amplifier Manual SM245 Rev. 4.10 Installation Drawings DRAWING REV. DESCRIPTION TYPE Interconnect Speaker Amplifier Generic Interconnect 245\521-0 1.00 Speaker Amplifier Environmental Qual Form 245\245\922-0 1.01 Speaker Amplifier Mech. Installation Section 2 ends after these Drawings Page 2-4...
  • Page 17 Interconnect...
  • Page 23: Introduction

    SM245 Rev. 4.10 Model 245 Speaker Amplifier Manual Section 3 Operation Introduction Information in this section consists of the functional and operational procedures for the Model 245 Speaker Amplifier General The Model 245 Speaker Amplifier is an electronic device that is capable of driving a 4-ohm cockpit speaker.

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