The 54111D can be configured as a 2 gigasample / second (G Sa/s), one channel oscilloscope or as a two channel 1 GSa/s oscilloscope with a memory depth of 8k samples per channel. The 54111D retains all of the key features and user friendliness of the 54100/110 oscilloscopes, such as automatic measurements, autoscaling, cursors, and a color display. Plus the 54111D adds features necessary for controlling and managing the added memory depth, such as scroll, zoom, and memory bar.