Table of Contents

European foreword <br>Introduction <br>1 Scope <br>2 Normative references<br>3 Terms and definitions <br>4 General system requirements <br>5 System technical requirements <br>6 Installation requirements <br>7 System operation <br>Annex A (informative) - Measurement of speech intelligibility <br>Annex B (normative) - Intelligibility measurement methods <br>Annex C (normative) - Attention-drawing audible signals <br>Bibliography

Abstract

Defines the performance requirements for sound systems which are primarily intended to broadcast information for the protection of lives within one or more specified areas in an emergency.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	EPL/100
Supersedes	14/30311381 DC : 0 BS EN 60849 : 1998