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.
Status : WithdrawnPublication date : 1987-12
Edition : 1
Technical Committee:Fire detection and alarm systems