PB8140 - Video projector BENQ - Free user manual and instructions
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| Product Type | Video Projector |
| Brand | BenQ |
| Model | PB8140 |
| Display Technology | DLP |
| Native Resolution | XGA (1024 x 768) |
| Brightness | 3000 ANSI Lumens |
| Contrast Ratio | 2000:1 |
| Lamp Life (Normal Mode) | 3000 hours |
| Lamp Life (Eco Mode) | 4000 hours |
| Projection Lens | Manual Zoom and Focus |
| Keystone Correction | Vertical ±15° |
| Inputs | VGA, S-Video, Composite Video, Audio |
| Outputs | VGA (Monitor Out), Audio |
| Dimensions (W x D x H) | 300 x 220 x 100 mm |
| Weight | 2.8 kg |
| Power Consumption | 280W (Normal), 230W (Eco) |
| Power Supply | AC 100-240V, 50/60Hz |
| Noise Level | 32 dB (Normal), 28 dB (Eco) |
| Cleaning | Clean air filter regularly; use soft cloth for lens |
| Safety | Class 1 Laser Product (if applicable); do not look into lens |
| Spare Parts / Repairability | Replacement lamp available; filter removable |
Frequently Asked Questions - PB8140 BENQ
What is the native resolution of the BenQ PB8140?
The native resolution is XGA (1024 x 768).
How do I replace the lamp?
Turn off and unplug the projector, let it cool, then remove the lamp cover and replace the lamp module. Refer to the user manual for detailed steps.
What inputs does the PB8140 support?
It supports VGA, S-Video, Composite Video, and Audio inputs.
Can I connect a laptop?
Yes, using the VGA input. You may need a VGA cable or adapter.
How do I clean the air filter?
Turn off the projector, unplug it, and remove the filter cover. Clean the filter with a vacuum or gentle water rinse. Let it dry completely before reinstalling.
Does it have keystone correction?
Yes, vertical keystone correction up to ±15 degrees is available via the menu.
What is the lamp life?
Approximately 3000 hours in normal mode and 4000 hours in eco mode.
Is the projector ceiling mountable?
Yes, it supports ceiling mount installation. Use a compatible mount and follow the manual instructions.
What should I do if the image is blurry?
Adjust the focus ring on the lens. Also ensure the projector is the correct distance from the screen.
How do I reset the lamp timer?
After replacing the lamp, go to the menu settings and select 'Lamp Hours Reset' to clear the timer.
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USER MANUAL PB8140 BENQ
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Product information
Brand : BENQ
Model : PB8140
Category : Video projector