Four Channels, 200 k Point Records, DOS Compatible Floppy Disk, PCMCIA portable hard drive and Memory Card Options : Glitch, Window, Qualified, Interval, Dropout and Video Triggers 8-bit vertical resolution, 11 with ERES option Fully Programmable via GPIB and RS-232-C Automatic PASS/FAIL testing Persistence, XY and Roll Modes Advanced Signal Processing Internal High Resolution Graphics Printer (optional).