Gemini 720is Imaging SonarDocument: 0703-SOM-00002, Issue: 1 81 © Tritech International Ltd.Glossary2D 2 DimensionalASCII American Standard Code for Information Interchange - a characterencoding scheme originally based on the English alphabet.AVI Audio Video Interleave - a video format introduced by MicrosoftBMP A raster graphics image file format used to store bitmap digital images.CAT5e Category 5 enhanced - a standard specification for Ethernet cables.CD-ROM Compact Disc - Read Only MemoryCPU Central Processing Unit, the processor of a computer.DC Direct CurrentDLL Dynamic Link Library - Microsoft's implemenation of the shared library,implemented in Microsoft Windows and OS/2 operating systems,filenames have .dll extension.Ethernet A family of computer networking technologies for local area networks(LANs).GB Gigabyte = 1000MBGemini Unless specified this can refer to any of the multibeam sonars in theGemini range by Tritech International Ltd such as the Gemini Imager(720id), Narrow Beam Imager or Gemini Profiler (620pd).Gemini Hub A rack mountable device capable of driving 2 Gemini sonars andmultiple serial sensors and outputting the data to a PC network.GIF Graphics Interchange Format - a bitmap image format developed byCompuServe.Gigabit Measure of transfer speed through Ethernet, usually considered to be1000Mbit·s-1GPS Global Positioning System.IP Internet Protocol - generally used as a means of addressing individualcomputers.IPA Isopropyl Alcohol (also known as 2-propanol, isopropanol, rubbingalcohol and iPrOH).IT Information TechnologykB Kilobyte = 1000 bytesLAN Local Area NetworkLED Light Emitting DiodeMB Megabyte = 1000kBMbit·s-1 Megabit per second - data transfer rate equal to 1000 kilobits persecond.