Table of Contents
Foreword.................................................................................................... F-ii
Product Safety and RF Exposure Compliance ....................................................................................... F-ii
Manual Revisions ................................................................................................................................... F-ii
Computer Software Copyrights .............................................................................................................. F-ii
Document Copyrights ............................................................................................................................. F-ii
Disclaimer............................................................................................................................................... F-ii
Trademarks ............................................................................................................................................ F-ii
List of Figures ................................................................................................v
List of Tables .................................................................................................vi
Chapter 1 Introduction ......................................................................... 1-1
1.1 Notations Used in This Manual...................................................................................................... 1-1
1.2 Siren P/A Description..................................................................................................................... 1-1
1.3 Cabling Diagram ............................................................................................................................ 1-4
Chapter 2 Operation ............................................................................. 2-1
2.1 Siren/PA Operation........................................................................................................................ 2-1
2.1.1 Control Unit....................................................................................................................... 2-1
2.2 Public Address Operation .............................................................................................................. 2-2
2.2.1 Control Head/DEK-Plus .................................................................................................... 2-2
2.3 Siren Tone Operation .................................................................................................................... 2-2
2.3.1 Control Head/DEK-Plus .................................................................................................... 2-2
2.4 External Radio Operation .............................................................................................................. 2-3
2.4.1 Control Head/DEK-Plus .................................................................................................... 2-3
2.5 Airhorn Operation .......................................................................................................................... 2-3
2.6 Manual Operation .......................................................................................................................... 2-3
2.7 Speaker Protection Alert................................................................................................................ 2-3
2.8 Power-Up Feature ......................................................................................................................... 2-4
2.8.1 Siren State ........................................................................................................................ 2-4
2.8.2 DEK-Plus .......................................................................................................................... 2-4
Chapter 3 Theory of Operation............................................................ 3-1
3.1 Overview........................................................................................................................................ 3-1
3.2 Microprocessor and Control Interface............................................................................................ 3-1
3.2.1 Bus Interface..................................................................................................................... 3-1
3.3 Low-Level Audio ............................................................................................................................ 3-2
3.4 High-Level Audio ........................................................................................................................... 3-2