The Heil FS 3 is designed as a single-channel footswitch specifically for managing an amateur radio transceiver's transmit/receive function. It features an 8' shielded cable with a standard commercial 1/4" plug, allowing seamless connection to the Heil CC-1 and AD-1 cable system. Notably, the hinge bar of the Heil FS 3 is constructed from a solid chrome rod that runs through the top and bottom plates, providing a sturdy build that eliminates the need for threaded screws that are prone to loosening. The hinge bar is further secured using 'C' fasteners, ensuring durability and reliability in its operation.

With its 8' shielded cable terminated by a 1/4" plug, the Heil FS 3 footswitch offers a convenient solution for transmitting and receiving control in amateur radio setups. The innovative design of the hinge bar sets it apart, as it is crafted from a solid chrome rod that runs through the top and bottom plates. By eschewing traditional threaded screws that can come loose over time, the Heil FS 3 ensures a secure and stable connection during operation. The addition of 'C' fasteners further reinforces the hinge bar, guaranteeing long-lasting performance for radio enthusiasts.

In amateur radio equipment, the Heil FS 3 footswitch stands out for its practical features and robust construction. Its compatibility with the Heil CC-1 and AD-1 cable system, facilitated by the 1/4" plug termination, simplifies the setup process for users. The solid chrome rod hinge bar not only provides structural integrity but also enhances the overall reliability of the footswitch by eliminating the common issue of loosening threaded screws. By incorporating 'C' fasteners to secure the hinge bar, Heil ensures that the FS 3 footswitch delivers consistent performance for radio operators seeking a dependable transmit/receive control solution.