36 CFR Part 1194 - Proposed Information and Communication Technology (ICT) Standards and Guidelines NPRM

402.3 Volume.

ICT that delivers sound, including speech required by 402.2, shall provide volume control and output amplification conforming to 402.3.

EXCEPTION: ICT conforming to 410.2 shall not be required to conform to 402.3.

402.3.1 Private Listening.

Where ICT provides private listening, it shall provide a mode of operation for controlling the volume and a means for effective magnetic wireless coupling to hearing technologies.

402.3.2 Non-private Listening.

Where ICT provides non-private listening, incremental volume control shall be provided with output amplification up to a level of at least 65 dB. Where the ambient noise level of the environment is above 45 dB, a volume gain of at least 20 dB above the ambient level shall be user selectable. A function shall be provided to automatically reset the volume to the default level after every use.