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The television receiver of the black-and-white image "Birch 23TB-401D" from I-sq 1994 was produced by Kharkov Kommunar software. "Birch 23TB-401D" is a compact, portable, semiconductor-integrated television. The television uses an explosion-proof 23LK13B type kinescope with a screen diagonal size of 23 cm and an electron beam deflection angle of 90 degrees. TV provides reception of television programs on any channel of the MW and UHF bands in the zone of reliable reception of signals from the television center; the ability to receive television programs when connecting external and telescopic antennas; choice of one of eight programs of MF or UHF wave ranges; indication of the program number; adjust the volume, brightness, contrast; automatic frequency control; work from an autonomous source of direct current. More information about the TV in his instructions.