... ): CH1 Y-axis input (vertical): CH2Bandwidth60MHzPhase error±3°Trigger sourceCH1, CH2, EXT, EXT/5, LINE, AlternatingTrigger modeAuto, Normal, SingleTrigger couplingDC, AC ... max. Input voltage400V(DC+AC peak,@1MΩ)Math functionsCH1-CH2,CH1+CH2,CH1×CH2,FFT(1024points)Cursor measurementManual, Auto, TrackHardware frequency counter5-digit ...