A video display system including an electronic sign, a electronic sign
control system utilizing a general purpose personal computer, having a
video interface card, controlled by clock and command signals from said
personal computer, containing a plurality of video and digital input ports
and a high speed output port, a transmitter link control card, also under
the control of clock and command signals from said personal computer, for
transmitting video display, clock, and command signals to a remote data
receiver and distributor associated with the electronic sign, which
converts said signals into device control signals for controlling
individual sign display elements.