NEN EN 60073 : 1996

INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Coding principles
  4.1 General
  4.2 Visual codes
      4.2.1 Coding by colours
      4.2.2 Coding by shapes and/or position
      4.2.3 Coding by changing of characteristics over time
  4.3 Acoustic codes
  4.4 Tactile codes
5 Application requirements
  5.1 Indication modes
  5.2 Actuation modes
      5.2.1 Non-illuminated actuators
      5.2.2 Illuminated actuators
      5.2.3 Actuators as a part of pictorial presentation on
            a video display screen
Annexes
A (normative) Special requirements for mechanical indicators
B (informative) Example for the application of indication
  coding (using colours)
C (informative) Examples of visual, acoustic and tactile
  codes
ZA (normative) Normative references to international
   publications with their corresponding European publications
Bibliography

Gives general rules for assigning particular meanings to certain visual, acoustic and tactile indications in order to: - increase the safety of persons, property and/or the environment through the safe monitoring and control of the equipment or process; - facilitate the proper monitoring, control and maintenance of the equipment or process; - facilitate the rapid recognition of control conditions and actuator positions.