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Specification for sound systems for emergency purposes
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Available format(s): Hardcopy, PDF
Superseded date: 15-06-1998
Language(s): English
Published date: 28-06-1991
Publisher: British Standards Institution
Committees responsibleForeword1. Scope2. Object3. References to relevant international standards3.1 IEC Publications4. Explanation of terms4.1 Electrical supervision4.2 Area of coverage4.3 Paging zone4.4 Information4.5 Audible information4.6 Intelligible information4.7 Danger and warning signals4.8 Alarm4.9 Warning4.10 Danger4.11 Emergency5. General requirements5.1 System requirements5.2 Units5.3 Marking and symbols for marking5.4 Environmental conditions5.5 Interference5.6 Safety requirements5.7 Electrical matching values6. System requirements6.1 General6.2 Microphones6.3 Overall system requirements6.4 Power supply6.5 Monitoring facilities6.6 Automatic priority switch7. Installation requirements8. System operation8.1 Instructions for operation8.2 Records8.3 MaintenanceFigures1. Schematic representation of a sound system for emergency purposes2. Microphone frequency response, tolerance field
Characteristics and methods of test for emergency broadcast sound systems for indoor or outdoor. Includes environmental conditions, marking symbols, installation and safety requirements, and an automatic system for checking correct functioning.
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