The Tektronix TDS5054 is a four-channel, 500 MHz, 5 GS/s digital phosphor oscilloscope with a 10.4" LCD active-matrix color display. This series of scopes combines 100,000 wfms/s continuous waveform capture rate and real-time intensity grading. An optional touch screen was available for all models but was standard on the TDS5054B and TDS5104B. TDS5054B-NV is a variant without touch screen. The operating system is Windows 2000.