It specifies performance requirements and testing methods for directional sounders, e.g. fire alarms, used as part of an emergency evacuation system in a building, ship or other structure.
It provides an interim specification for companies designing and employing directional sounders as part of an emergency evacuation system within a building, ship or structure.
It specifies performance requirements and methods of testing and applies to directional sounders used under emergency conditions and/or where normal visibility is impaired.
It covers fire alarms, alarm systems, fire safety in buildings, fire safety, warning devices, sound generators, performance testing and environmental testing.