Ergonomics. Accessible design. Auditory signals for consumer products Ingestion-build-209418 Building maintenance units

Building maintenance units

The rated power does not exceed:

Reference meters

or material extract

Test method for optical output power and gain

Ergonomics. Accessible design. Auditory signals for consumer products Ingestion-build-209418 Building maintenance units1 Scope This International Standard specifies the auditory signals used as a means of feedback for operations or conditions of consumer products when used by a person with or without visual or auditory impairment. It is intended to be applied as appropriate to such products depending on the product type and its conditions of use. It is applicable to auditory signals of a fixed frequency used in general applications (also called beep sounds), but not