SH940 - Video projector BENQ - Free user manual and instructions
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| Product Type | Video Projector |
| Brand | BenQ |
| Model | SH940 |
| Display Technology | DLP |
| Native Resolution | 1920 x 1080 (Full HD) |
| Brightness | 2000 ANSI Lumens |
| Contrast Ratio | 50000:1 |
| Aspect Ratio | 16:9 |
| Lens | Zoom lens with manual focus |
| Projection Size | 30 to 300 inches |
| Throw Ratio | 1.15 - 1.5:1 |
| Lamp Life | Up to 5000 hours (normal mode) |
| Power Consumption | 350W |
| Inputs | HDMI, VGA, Component, Composite, S-Video, USB |
| Dimensions (W x H x D) | 380 x 140 x 280 mm |
| Weight | 4.5 kg |
| Audio | Built-in speaker (5W) |
| Noise Level | 33 dBA |
| Keystone Correction | Vertical ±20 degrees |
| Included Accessories | Remote control, power cable, user manual |
Frequently Asked Questions - SH940 BENQ
How do I clean the lens of my BenQ SH940 projector?
To clean the lens, turn off the projector and unplug it. Use a soft, dry microfiber cloth to gently wipe the lens in a circular motion. Avoid using liquids or abrasive materials. If needed, use a lens cleaning solution specifically designed for optics. Never touch the lens with fingers to avoid oil damage.
What is the recommended projection distance for a 100-inch screen?
For a 100-inch diagonal screen, the BenQ SH940 should be placed approximately 2.6 to 3.3 meters (8.5 to 10.8 feet) from the screen, depending on the zoom setting. Use the throw ratio of 1.15-1.5:1 to calculate exact distance.
How do I replace the lamp on the BenQ SH940?
To replace the lamp, turn off the projector and wait 30 minutes for cooling. Remove the lamp cover screw, slide open the cover, and disconnect the lamp connector. Gently pull out the old lamp and insert a new one (model: BenQ 5J.J9L05.001). Reconnect, close cover, and reset the lamp timer in the menu.
Can I mount the BenQ SH940 on a ceiling?
Yes, the BenQ SH940 is compatible with ceiling mounts. Ensure the mount supports the projector's weight (4.5 kg) and uses the four M4 screw holes on the bottom. Professional installation is recommended to ensure safety and proper ventilation.
How do I connect external speakers to the projector?
The BenQ SH940 has a 3.5mm audio out jack. Connect it to powered speakers or an amplifier using an audio cable. For surround sound, use the HDMI output (if available) or connect audio directly to your AV receiver.
What input sources are supported?
The projector supports HDMI, VGA, component video, composite video, S-Video, and USB (for firmware updates or photo viewing). It also has a DB9 RS232 port for serial control.
How do I adjust keystone correction?
Press the Keystone button on the remote or projector. Use the arrow keys to correct vertical distortion (±20 degrees). For best image quality, place the projector perpendicular to the screen to minimize keystone needs.
What is the lamp life and how to reset the lamp timer?
The lamp lasts up to 5000 hours in normal mode (7000 hours in eco mode). After replacement, reset the timer: go to Menu > System Setup > Lamp Settings > Lamp Reset. Hold Enter for 3 seconds to reset.
Is the BenQ SH940 compatible with 3D content?
Yes, the BenQ SH940 supports 3D projection via HDMI 1.4a. It uses DLP Link technology and requires active shutter glasses. Enable 3D in the menu, and ensure the source is set to frame sequential 3D.
What should I do if the projector shows no image?
First, check if the power indicator is on. Ensure the lamp cover is fully closed (a safety interlock prevents operation if open). Verify the input source is correctly selected and the cable is secure. If using a PC, check that the resolution is supported (up to 1920x1200). If the lamp is faulty, replace it.
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