LPM-55 Multi System TV Pattern Generator/television signal generator Main technical specificationsBrandMEITOUSHENModel:LPM- ... -YR-Y color difference signal output.2, the output imaging system consists of: NTSC, NTSC4.43, PAL, PAL-M, PAL-N ... :14 basic types of test patterns include: round, 8-level grayscale, 16-level grayscale, color stripes, multiple frequencies, RY color difference, BY ...