The FS 3 is a single channel foot switch to control the transmit/receive function of an amateur radio transceiver. An 8' shielded cable is terminated with a commercial 1/4" plug connects into the Heil CC-1 and AD-1 cable system.
The hinge bar is a solid chrome rod running through the top and bottom plates eliminating threaded screws that usually work loose. The hinge bar is secured with 'C' fasteners.
