Single-User Audio Controller / Intercom Controller

Technical Description
Audio/intercom control unit used to select transmit and receive sources and manage HOT, VOX or PTT intercom modes. It can interface multiple radios and navigation audio sources and may provide outputs for a cockpit voice recorder. NVG lighting and connector configuration should be matched to the installed system.

Verification Status
High for P/N/function; verify installation modification.

Source
https://www.scribd.com/document/545636307/804-0401

Identification Note
The photograph is provided for reference. Procurement identification must be based on data plate markings, P/N, S/N, approved configuration and airworthiness documentation, not visual appearance alone.