Manufacturer: Bendix King
Model Number: KFS 578A
The KFS 578A Control Unit supplies serial data and control signals for the MST 67A Transponder. An optional feature allows the use of dual MST 67A Transponders individually selected by one KFS 578A Control Unit. The KFS 578A is equipped with an ARINC 429 serial data bus. The KFS 578A may also be used in the tandem mode (two units controlling one R/T with each control unit displaying the same readout).