This document introduces the features and design of the multimedia projector model LC-SD15. The projector is compact in size and easy to carry and use. It is compatible with various video and computer input signals, including computers, 6 color systems, component video, S-video, and RGB Scart. The projector has a multi-scan system to quickly adapt to almost all computer output signals. It also features auto PC adjustment, blackboard function, digital zoom function, film function, multi-language menu display, and keystone correction.