Northern Airborne Technology AA20 - Manual (Page 2)

AA20 Series PA/Siren System
SM33-1 Installation and Operation Manual
Installation and Operation Manual Page ii
ENG-FORM: 820-0114.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
IMPORTANT INFORMATION
This manual has been produced to provide information unique to the AA20 Series
PA/Siren System. Some of this information has been published previously in the SM02
Service manual (AA20/22/23, PA110/220 Series Loudhailer/PA Systems).
The information presented in this manual is for reference purposes only and is intended
to provide general information that can be used by the installer/technician to gain a
fundamental understanding of the product. It is not intended to cover all variations of the
AA20 Series audio controllers. Drawing packages for specific AA20 units can be
requested from NAT by contacting the Product Support Department.