The Computer Interface Option was recently developed, it is the latest introduction to the product line of Special Products Group. The P.C. interface card enables you to utilize a Pentium 100 personal computer via the serial port 1 and a G.P.S. On serial port 2. The windows based software package supplied allows Side Scan data / G.P.S. Data to be recorded on the computer's hard disk or other media such as Zip Drive, whilst scrolling the images down the V.G.A. display. The data being recorded may be enhanced by using the image controls "PREVIEW" functions. The C-Scan 450 P.C. is available in two different options.