HL6820G - Projector ACER - Free user manual and instructions
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| Product Type | Projector |
| Brand | Acer |
| Model | HL6820G |
| Display Technology | DLP (0.47" DMD chip) |
| Resolution | 4K UHD (3840 x 2160) |
| Brightness | 3,600 ANSI lumens |
| Contrast Ratio | 100,000:1 (Dynamic) |
| Aspect Ratio | 16:9 native |
| Light Source | Lamp (up to 5,000 hours in Standard mode) |
| Zoom | 1.3x manual zoom |
| Keystone Correction | Vertical ±30°, Horizontal ±30° |
| Screen Size | 30" to 300" (diagonal) |
| Connectivity | 2x HDMI, 1x USB, 1x VGA, 1x AV-in, Audio out |
| Built-in Speakers | 8W x 2 |
| HDR Support | Yes (HDR10, HLG) |
| 3D Support | Yes (DLP 3D) |
| Power Consumption | 350W (Normal), <0.5W (Standby) |
| Dimensions (W x D x H) | 13.5 x 10.6 x 5.8 inches (343 x 269 x 147 mm) |
| Weight | 7.2 lbs (3.3 kg) |
| Maintenance and Cleaning | Clean air filter every 1,000 hours; gently wipe lens with soft cloth |
| Spare Parts and Repairability | Replacement lamp, air filter, remote control battery available |
| Safety Features | Overheat protection, auto power-off when lamp fails |
Frequently Asked Questions - HL6820G ACER
How do I set up the Acer HL6820G for the first time?
Place the projector on a flat, stable surface. Connect the power cord and your source device via HDMI. Turn on the projector, adjust focus and zoom using the lens rings, and use keystone correction to square the image.
What is the optimal projection distance for a 100-inch screen?
For a 100-inch diagonal image, the throw distance is approximately 8.5 to 11 feet (2.6 to 3.4 meters), depending on the zoom setting. Use the throw ratio calculator in the manual for exact values.
How do I clean the air filter?
Turn off and unplug the projector. Locate the filter cover on the side, slide it open, and remove the filter. Rinse it with water, let it dry completely, then reinstall. Clean the filter every 1,000 hours of use.
How do I replace the lamp?
When the lamp warning lights up, replace it. Unplug the projector, open the lamp compartment, wait for it to cool, then unscrew the old lamp module. Install the new one securely, close the cover, and reset the lamp timer via the on-screen menu.
Does the HL6820G support 4K HDR content?
Yes, the projector accepts 4K UHD signals and supports HDR10 and HLG for enhanced contrast and color. Use a high-speed HDMI cable to ensure proper signal transmission.
Can I use the projector for gaming?
Yes, it has a game mode that reduces input lag. For best performance, connect your console via HDMI and enable the mode in the picture settings. The projector handles fast action well, though competitive gamers may prefer a dedicated monitor.
How do I connect external speakers?
Use the audio output port to connect an external soundbar or amplifier. If your speaker system has HDMI ARC, use that port for two-way audio. The built-in speakers can be used as a fallback.
How do I adjust keystone correction automatically?
Go to the settings menu and select keystone. Enable auto keystone to let the projector automatically adjust vertical and horizontal angles. For manual adjustment, use the remote control or buttons on the device.
What is the lifespan of the lamp and how can I extend it?
The lamp lasts up to 5,000 hours in Standard mode and up to 10,000 hours in Eco mode. To extend its life, use Eco mode, ensure proper ventilation, and avoid frequent on/off cycles.
Can I mount the projector on the ceiling?
Yes, the projector has standard threaded mounts (1/4 inch and 4.5mm). Use a compatible universal ceiling mount. Ensure the mount supports the projector's 18.5 lbs (8.4 kg) weight limit and follow the mounting instructions carefully.
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USER MANUAL HL6820G ACER
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Product information
Brand : ACER
Model : HL6820G
Category : Projector