The 54510A Digitizing Oscilloscope is a general purpose repetitive and real time oscilloscope. The 54510A is fully programmable and portable. The 54510A has two input channels and an external trigger input. This oscilloscope also features full HP-IB programmability, powerful triggering, easy waveform storage, automatic measurements, and instant hardcopy output to an HP-IB printer via the HPIB port. Any of the older HP printers or plotters with HP-IB interfaces can be connected as a hardcopy device.