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TEST SET MANUAL

REV 1.00   May 29, 2013

Northern Airborne Technology Ltd.

#14-1925 Kirschner Road

Kelowna, BC, Canada.

V1Y 4N7

Telephone (250) 763-2232

Facsimile (250) 762-3374

Copyright 1998 by Northern Airborne Technology Ltd.

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.

Table of Contents

Section        Title        Page

1.0        Description

1.1        Introduction        1

1.2        Purpose of Equipment        1

1.3        Features        1

1.4        Specifications        2

1.4.1                Electrical Specifications        2

1.4.2                Mechanical Specifications        2

2.0        Installation

2.1        Unpacking and Inspection        3

2.2        Kit Components        3

2.3        Mechanical Mounting        3

3.0        Operation

3.1        Controls, Indicators and Connectors        4

3.2        Cables        5

4.0        Maintenance

4.1        Introduction        5

4.2        Disassembly/Reassembly        6

4.2.1                Disassembly        6

4.2.2                Reassembly        6

4.3         Test Equipment        6

4.4        Test Setup        6

4.4.1                Test Set Switch Settings        7

4.4.2                Power Supply Connection        7

4.5        Performance Test        7

4.5.1                Voltage Measurements        7

4.5.2                Resistance Checks / Switch operation        8

4.6        Test Cable Check        9

4.7        Visual Inspection        10

4.7.1                Enclosure        10

4.8        Drawings        10

1.0                Description

1.1                Introduction

The information in this Test Set manual consists of descriptions and specifications, installation specifics, an overview of the controls, indicators and connectors, and maintenance and drawing sections for the TS-AAD Test Set.

1.2                Purpose of Equipment

The TS-AAD is a test panel designed to simulate aircraft audio input and output loads, and is used for testing various NAT audio controllers and equipment.  

The test panel allows connection of external equipment to generate and monitor audio signals required for testing.

1.3                Features

The TS-AAD provides +28 Vdc for main power, alert power and +28 Vdc lighting.  An internal regulator supplies +5 Vdc lighting power.  

The test panel has six separate headset jacks, each with a switch-selectable option of 150 Ω, 600 Ω  or no load at the output.

The mic and phone section of the headset jacks are electrically isolated from the power ground.

An ICS TIE jack with a switch-selectable internal 2 kΩ load, and right user and left user Transmit and ICS keylines are also provided.

The TS-AAD faceplate is anodized to ensure long lasting legibility.

1.4.1                Electrical Specifications

Power Supply:

        Operating Voltage:         +28 Vdc

Input Signals:

        Mic Input:         Signals from headset mic or an external signal                                 generator.  A rotary switch selects Left User,                                 Right User, or one of four Pax Mic inputs.

        External Generator:         An external generator can be used to supply                                 signals through switches TX1-TX5, RX1-RX8,                                 DIR1 and DIR2.  These switches are also used                         to provide 600 Ω loads.

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