... 5V/div : ±300VBandwidth Limit20MHz (-3dB)TRIGGERSourcesCH1 , CH2 , CH3 , CH4 , LineModesAuto-Level, Auto, Normal, Single, TV, Edge, Pulse WidthCouplingAC , DC , LF rej. , HF ... full speed supportedPOWER SOURCELine Voltage RangeAC 100V ~ 240V , 48Hz ~ 63Hz , Auto selection GW Instek GDS-2062 digital oscilloscope 60MHz 2CH