This manual explains how to operate the Infocus LP90 RG projector, covering basic functions such as turning the device on, selecting input sources, and navigating the on‑screen menus. Detailed procedures are provided for adjusting image brightness, color mode, zoom, aspect ratio, and eco mode, as well as using the remote control keys.
Additional sections cover lamp life monitoring, lamp replacement, cleaning of the lens, air vents, and other maintenance tasks. Safety warnings and troubleshooting tips are included to help users keep the projector running reliably in various environments. This manual is written in Chinese.
| Resolution | 1024 × 768 (XGA) |
|---|---|
| Supported Aspect Ratios | 4:3, 16:9 |
Turn off the projector and power source, then follow the step‑by‑step instructions in the lamp replacement section (pages 26‑28) to remove the old lamp and install a new one.