The signals received by tuners are processed respectively by video processing circuits and fed to a synthesizing circuit by way of compression circuits so that the images of the signals are displayed respectively on left and right side sections of {HEAD ~ the screen} of {TAIL ~ a display unit} 
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The signals received by tuners are processed respectively by video processing circuits and fed to a synthesizing circuit by way of compression circuits so that the images of the signals are displayed respectively on left and right side sections of { HEAD ~ the screen } of { TAIL ~ a display unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL