A system is provided for generating electrical signals. The system comprises: an input configured to receive first values, the first values representing coordinates of a plurality of break points of a heart beat waveform, and further configured to output programming signals a communication port configured to receive the programming signals from the control panel a memory configured to store instructions and predetermined values a processor configured to process the programming signals and predetermined values according to the instructions stored in the memory and an output port configured to make the processed signals available to a system under test.
