ERGONOMICS - DANGER SIGNALS FOR PUBLIC AND WORK AREAS - AUDITORY DANGER SIGNALS (ISO 7731:2003, IDT)
This standard specifies the physical principles of design, ergonomic requirements and the corresponding test methods for danger signals for public and work areas in the signal reception area and gives gidelines for the design of the signals. It may also be applied to other appropriate situations. The relevance given in the definitions as to the difference between an auditory emergency signal, auditory emergency evacuation signal and an auditory warning signal should be noted.