The Technisonic Intercom system provides centralized audio management and control of all aircraft communication systems such as radio selection, intercom and airframe alerting.The system includes: two patch boards (A740); four main control panels (A711); two expansion panels (A775); and cabin isolate switches. A main control panel provides six communications transceivers, PA amplifier, additional push button audio input selector switches that allow selection of any or all supported transceivers and NAV aids. The expansion panel has six input controls. The installation has identical pilot and co-pilot main audio panels and expansion panels. In the cabin there are two more identical audio panels for crew chief, observer and dedicated headset jacks. One cabin ICS has an external switch for calling attention to the cabin when the cockpit ICS are isolated from the cabin.

-

-