This International Standard specifies the physical principles of design, ergonomic requirements and thecorresponding test methods for danger signals for public and work areas in the signal reception area andgives guidelines for the design of the signals. It may also be applied to other appropriate situations.
EN ISO 7731:2008 history
2008EN ISO 7731:2008 Ergonomics - Danger signals for public and work areas - Auditory danger signals (ISO 7731:2003)