The 603 is a X-Y Bistable Storage Monitor, displays and stores waveforms, alphanumeric and graphic data. High resolution (0.25 mm) dot size. The 603 is particularly useful in capturing and recording single, relatively slow-occurring transient events. It offers storage up to 10 hours, saving time and money by eliminating the need for photographs. Display size is 10.2 x 12.7 cm.