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The multifunctional TV test device "Laspi TT-01" since 1983 has produced the Sevastopol Radio Plant named after him. Kalmykova. The test instrument 'Laspi TT-01' 'is designed to set up black-and-white and color television receivers by forming various test tables on the screen of a color and black-and-white TV, as well as test images with sound. The device consists of a black-and-white video signal generation circuit, a quartz stabilization frequency reference circuit, a chroma signal generation circuit, and a full-scale television signal generation circuit. As part of a built-in multimeter.