"Gives the characteristics to be specified, performance requirements and the relevant methods of measurement for electromechanical volume indicators. The concept of 'volume' is a practical way of assigning a numerical value to the magnitude of electrical speech and music programme signal."
Number of pages: 20
Date of approval: 2016-11-21
HD 483.17 S1:1992 IDTIEC 60268-17:1990 ED1 IDT