FIELD: TV equipment. SUBSTANCE: device has image displaying region discrimination unit, which provides discrimination with respect to presence or absence of image in specific region of TV set screen between comparison of brightness of complete TV signal, which is received by TV set and corresponds to specific region. Signal which belongs to bandwidth unnecessary for video signal is reduced. Then, brightness signal and color signal of carrier, which belong to video signal, provide possibility of discrimination with respect to presence or absence of image in specific region. EFFECT: increased functional capabilities. 6 cl, 9 dwg
