... Host and USB device, RS-232 and support U disk storage and PictBridge print standards, optional USB-GPIB adapter ModelDS1052Bandwidth50 MHzChannelsDual ... CouplingDC,AC,GNDRoll Range500ms/div ~50s/divCursor MeasurementsManual, Track and Auto Measure modesMath+, -, ×, FFTInternal Stroge10 Waveforms and 10 SetupsUSB StorageBMP, CSV ...