to a separate television housing which houses the tuner 36 and display 32 it may now be appreciated that the microprocessor 46 controls the functions of the itv 22 in accordance with the logic below the flow charts herein illustrate the structure of the logic modules of the present invention as embodied in computer program software those skilled in the art will appreciate that the flow charts illustrate the structures of logic elements such as computer program code elements or electronic logic circuits that function according to this invention manifestly the invention is practiced in its essential embodiment by a machine component that renders the logic elements in a form that instructs a digital processing apparatus that is a computer or microprocessor to perform a sequence of function steps corresponding to those shown internal logic could be as simple as a state machine in other words the present logic may be established as a computer program that is executed by a processor within e g the present microprocessors servers as a series of computer executable instructions in addition to residing on hard disk drives these instructions may reside for example in ram of the appropriate computer or the instructions may be stored on magnetic tape electronic read only memory or other appropriate data storage device now referring to fig3 the overall logic can be seen commencing at block 50 real time tv signals 26 are received at the tuner 36 assuming the itv 22 is energized at block.