LH500 - Video projector BENQ - Free user manual and instructions
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| Product Type | Video projector |
| Brand | BenQ |
| Model | LH500 |
| Display Technology | Single-chip DLP |
| Native Resolution | WUXGA (1920 x 1200) |
| Brightness | 5,000 ANSI lumens |
| Contrast Ratio | 3,000:1 (dynamic) |
| Light Source | Laser phosphor |
| Light Source Life | Up to 20,000 hours |
| Projection Lens | 1.6x manual zoom, manual focus |
| Throw Ratio | 1.36 to 2.18:1 |
| Keystone Correction | +/- 30 degrees vertical |
| Connectivity | 2 x HDMI, 1 x VGA, 1 x USB, 1 x RS-232 |
| Built-in Speaker | 10 W mono |
| Noise Level | 36 dB (normal mode) |
| Power Consumption | 380 W max |
| Dimensions (W x H x D) | 416 x 159 x 300 mm |
| Weight | 6.4 kg |
| Dust Resistance | IP6X sealed optical engine |
| Maintenance | Filter-free laser light source, no lamp replacement |
| Safety | Class 1 laser product, eye-safe |
| Spare Parts & Repairability | Replaceable laser module and fan assembly by qualified service centers |
| Operating Temperature | 0 to 40 degrees Celsius |
Frequently Asked Questions - LH500 BENQ
How do I install the BenQ LH500 projector?
Place the projector on a stable, flat surface or mount it on the ceiling using a compatible projector mount. Position it at the desired distance from the screen according to the throw ratio (1.36 to 2.18:1) and adjust the zoom and focus rings.
What is the projection distance for a 100 inch screen?
Using the throw ratio of 1.36 to 2.18:1, a 100 inch (diagonal) screen requires a distance of approximately 3.0 to 4.8 meters. Exact distance depends on lens zoom and screen settings.
How do I clean the projector?
Switch off and unplug the projector before cleaning. Wipe the exterior with a dry, soft cloth, and clean the lens with a lens brush or a cloth designed for optics. The IP6X sealed engine means no internal filter cleaning is required.
Which ports are available and how do I connect devices?
The LH500 includes 2 x HDMI, 1 x VGA, 1 x USB and 1 x RS-232. Connect a laptop or media player via HDMI for digital video, and use VGA for legacy analog sources. RS-232 allows professional control via serial commands.
Does the LH500 support 3D projection?
Yes, with compatible 3D content and DLP-Link 3D glasses. Enable 3D mode in the projector menu and set the 3D refresh rate to match the video source.
Can the projector show 4K content?
The native resolution is WUXGA (1920 x 1200), but it accepts 4K video input through HDMI and downscales it to the panel resolution. The picture quality remains sharp for most presentations.
How do I correct a trapezoidal image?
Use the keystone correction menu on the projector or remote control. Adjust the vertical keystone up or down within +/- 30 degrees until the edges of the projected image become parallel. For best quality, place the projector perpendicular to the screen.
What should I do if the projector shuts down unexpectedly?
Overheating is one cause of auto shutdown. Check that the air vents are not blocked and that the ambient temperature is lower than 40 degrees Celsius. If the problem continues, clean the vents and request service, because the fan or laser module may require professional replacement.
How long does the laser light source last?
The laser light source lasts up to 20,000 hours in normal mode. This means many years of use without a traditional lamp replacement.
Is the LH500 safe for direct eye exposure?
It is a Class 1 laser product, which means the laser light is safe under normal operating conditions. However, do not look directly into the lens from close range, because the intense visible light can still cause glare or temporary discomfort.
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USER MANUAL LH500 BENQ
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Product information
Brand : BENQ
Model : LH500
Category : Video projector