This document is an introduction to the MD640 operation manual, including important safety information, instructions, symbol explanations, power safety, lamp replacement, projector cleaning, regulatory warnings, etc. MD640 is a DLP projector produced by Jector Optoelectronics Co., Ltd. It features lightweight and easy packaging and transportation, compatibility with all major image standards, high brightness level, support for resolutions up to SXGA, etc.
This manual covers important safety information, proper installation, and basic operation of the MD640 DLP projector. It explains how to connect power, select input sources, adjust picture settings, and use the on‑screen display menu.
Additional sections describe lamp replacement, cleaning procedures, troubleshooting common issues, and the technical specifications such as supported resolutions and physical dimensions. This manual is written in Japanese.
| Projector width | 88 mm (3.5 in) |
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| Projector height | 244 mm (9.6 in) |