... divHorizontal ModeY-T,X-YVertical sensitivity2mV-5V/divVertical resolution (A/D)8bitInput couplingDC,AC,GNDTrigger sourceCH1,CH2,EXT,EXT/5 ... Period, Rise, Fall, +Width, -Width, +Duty, -Duty, Delay A, Delay BWaveform math'+,-, x, ÷, FFT, OppositionFFT Windows FunctionHanning, Hamming, Blackman ... RS-232(optional)Display Screen5.7 inch color TFT-LCD (320x240)Power SupplyVoltage:100—240V/AC,Frequency:45— ...