1 Scope
2 Normative references
3 Definitions
4 Ergonomic principles for the design and application of
auditory and visual signals
4.1 General
4.2 Principles for distinctive characters
4.3 Qualities of auditory signals
4.4 Qualities of visual signals
5 System of auditory and visual signals
5.1 Scheme of auditory and visual signals
5.2 Scheme of auditory signal character
5.3 Scheme of visual signal colours
6 Testing
Annex
ZA (informative) Clauses of this European Standard addressing
essential requirements or other provisions of EU
directives
Tables
1 Signals for general purposes, listed after degree of
urgency
2 Character of signals for public alarm
3 Scheme for character of auditory signals
4 Scheme for colours of visual signals
2