Abstract: A text editing system is provided in which a central station communicates a video signal, timing signals, and control signal to a remote station by way of a single communication pathway for subsequent display on a cathode ray tube at the remote station and wherein keyboard information may be communicated from the remote station to the central station across the same communication pathway. The video signal from the central station includes conventional horizontal and vertical synchronization pulses which are encoded prior to transmission to the remote station and decoded at the remote station.