Stores and normalizes digital data for application to network and spectrum analyzers and frequency response test set; uses two plug in interface cards; data can be displayed on external oscilloscope; oper pwr rqmts 100, 120, 220, 240 vac, 48 to 440 hz; o/a dims 11.2 in. Lg, 8.4 in. W, 4.0 in. H; additional set of manuals