The NEC DT20 is a multi-function LCD projector with three practical features: it can directly project printed documents, computer screens, and video and DVD images. It is easy to understand and use, and is an economical projector. It features a super-slim design and stylish appearance.
This manual explains how to install and use the NEC DT20 LCD projector. It covers basic functions such as projecting documents, PC screens, and video/DVD content, as well as detailed instructions for connecting to a PC, adjusting image size, and using the built‑in OHP scanner.
Safety warnings, proper handling of the power cable, lamp replacement, filter cleaning, and routine maintenance are described, along with a troubleshooting section that lists common problems and their checks. Technical specifications of the projector are provided at the end of the document. This manual is written in Italian.
| Model | DT20 |
|---|---|
| Projector type | LCD shutter projector with 3 primary colors |
| Panel size | 3 panels, 1.0 inch each, 4:3 aspect ratio |
| Resolution (pixel count) | 786,432 pixels (1024 × 768) ×3 |
| Zoom lens | Manual 1 – 1.25×, f=36.5 mm – 45.6 mm, F1.7 – 2.2 |
| Lamp | High‑pressure mercury, 260 W |
| Brightness | 2800 ANSI lumens |
| Power consumption | 390 W (100‑120 VAC) |
| Operating temperature | 0 °C to 35 °C |
| Weight | 7.3 kg |
Use the manual zoom function, which can enlarge the image from 1× up to 1.25× while keeping the projection distance unchanged.