The PT‑X21 is a compact, high‑performance LCD projector designed for business and education. This manual covers its specifications, safety guidelines, and how to set up the device for optimal image quality.
Key sections include power and lamp information, input connections, network and remote‑control features, keystone correction, and maintenance procedures such as lamp and filter replacement. The guide also explains energy‑saving modes and troubleshooting tips. This manual is written in Chinese.
| Model | PT-X21 |
|---|---|
| Lamp power | 220 W UHM |
| Lamp life | 5000 hours |
| Contrast ratio | 600:1 |
| Throw ratio | 1.5‑1.7:1 |
| Lens zoom | 1:1‑1:12 |
| Dimensions (W×H×D) | 307 × 69 × 210 mm |
The lamp is rated for a replacement cycle of 5000 hours.
In normal standby mode the projector consumes 15 W.
Vertical keystone correction can be set up to +30 degrees.