Specifies two parameters, the temporal pattern and the required sound pressure level at all places within the intended reception area. Applies to the audible signal and not to the individual signalling system compenents. Does not apply to warning signals, to situations covered by national regulations for public disaster control, alarm systems on board ships or to signals from all outdoor moving vehicles.
Текущий статус : WithdrawnДата публикации : 1987-12
Версия : 1Число страниц : 5
Технический комитет:Fire detection and alarm systems