... function 3.imported CRT,sweep function MCH Digital Readout Oscilloscope, OS-3100G 100MHz Oscilloscope, dual channel/ ... four traces:Specifications: DescriptionOS-3100G 100MHz digital readout analogue oscilloscopeDivision line6” screen with internal division lines: ... , probe factor Scan speed: S/DIV, UNCAL, MAGCursor readout functionV, T, 1/TCorrection waveformFrequency: 1KHz 20% Voltage: ...