
HEARING AIDS; SYMBOLS AND OTHER MARKINGS ON HEARING AIDS AND RELATED EQUIPMENT
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Applies to symbols and other markings on hearing aids and related equipment for the purpose of identifying control setting and giving information regarding technical functions and characteristics. Provides symbols and markings for the benefit of users and those involved in the fitting of hearing aids related equipment.
IEC 60118-11 : 1.0 - Identical
HD 450.11 : 200S1 - Corresponds
IEC 60118-11 : 1.0 - Identical
HD 450.11 : 200S1 - Identical