DEC had a long history of displays, going back to the Type 30 display on the PDP-1 Type 338, 339, and 340 displays processors for the PDP-8, 9 and 10, respectively DEC's laboratory systems all had point plot scopes (LINC, LINC/8, PDP12) VR was the designation for their CRTs. There were two generations of display list vector processors (VT-11, packaged with a PDP11 CPU as the GT series) and the VS-60 and a 512x512 raster display with a similar instruction set (VS-11) -- The E&S LDS-1 was a peripheral for the KA-10