Digital Incremental Plotter

This document is an instruction manual for the CalComp Model 563, a high-speed, drum-type digital incremental plotter. It details the product's functional description, installation procedures, theory of operation, operating instructions, and maintenance. Key features covered include the plot mechanism involving X-axis drum rotation and Y-axis pen carriage movement, step motor control, and Z-axis pen lift modulation. It also includes comprehensive parts lists, schematic diagrams, and troubleshooting guides for field maintenance.