NFC 97 201 : 1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SOUND SYSTEMS FOR EMERGENCY PURPOSES
01-08-1998
12-01-2013
Applies to sound reinforcement and distribution systems to be used to effect a rapid and orderly mobilization of occupants in an indoor and/or outdoor area affected by a hazard. Specifies the requirements for sound systems which are primarily intended to broadcast information for the protection of lives and property within a protected area when an emergency situation has occurred. Gives the characteristics and the methods of test necessary for the specification of the system.
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