Northern Airborne Technology AA20 User Manual
Page 4
 
AA20 Series PA/Siren System
SM33-1 Installation and Operation Manual
Installation and Operation Manual
Page iv
ENG-FORM: 820-0114.DOT 
 
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Table of Contents
 
Section Title 
Page
 
1. Description 
 
1.1 Introduction 
1-1
1.2 Product
Description
1-1
1.3 Design
Features
1-1
1.4 Specifications
1-1
1.4.1 Electrical
Specifications
1-1
1.4.2 Physical
Specifications
1-2
1.4.3 Environmental
Specifications
1-2
1.5 Unit
Nomenclature
1-2
2. Installation 
 
2.1 Introduction 
2-1
2.2
Unpacking and Inspection
2-1
2.2.1 Warranty
2-1
2.3 Continued
Airworthiness
2-1
2.4 Installation
Procedures
2-2
2.4.1 Warnings
2-2
2.4.2 Cautions
2-2
2.4.3 Cabling
and
Wiring
2-2
2.4.4 Post-Installation
Checks
2-3
2.5 Adjustments
and
Connections
2-4
2.6
Accessories Required But Not Supplied
2-4
2.7 Installation
Drawings
2-4
 
3. Operation 
 
3.1 Introduction 
3-1
3.2 General
Information
3-1
3.3 Controls
and
Indicators
3-1
3.3.1 Power
Up
3-1
3.3.2 Function
Switch
3-1
3.3.3 Volume
Control
3-3
3.3.4 External
Siren
3-3
3.3.5
Remote Power Switch
3-3