"A computer interactive CRT display with a usable area of 10 inches by 13 inches; dual NTDS computer fast I/O channel interface; NTDS compatible symbol generator; high-speed vector generator; optional CRT phosphor; refresh memory of 48K by 32-bit capacity; raster processing electronics; high-resolution electronics; sonar processing electronics. Operating requirements include 115 VAC, 400 Hz, three-phase power at 25 amps; dimensions are 46.5 inches in height, 23.5 inches in length, and 36.14 inches in depth, with a weight of 900 pounds. It is hard-mounted to a resilient deck."