VH-423 - Video projector ACER - Free user manual and instructions
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| Product Type | Video projector |
| Brand | Acer |
| Model | VH-423 |
| Display Technology | DLP |
| Native Resolution | 1920 x 1080 (Full HD) |
| Brightness | 3000 ANSI lumens |
| Contrast Ratio | 10,000:1 |
| Lamp Life | 5000 hours (Normal), 10000 hours (Eco) |
| Zoom Ratio | 1.1x |
| Keystone Correction | ±40° (Vertical) |
| Inputs | HDMI, VGA, USB (service only), Audio In |
| Outputs | Audio Out (3.5 mm) |
| Dimensions (W x D x H) | 314 x 223 x 96 mm |
| Weight | 2.5 kg |
| Power Consumption | 250W (Normal), <0.5W (Standby) |
| Power Supply | AC 100-240V, 50/60Hz |
| Noise Level | 30 dB (Eco mode) |
| Lamp Type | UHP lamp, 190W |
| Projection Distance | 1.0 - 10.0 m |
| Projection Size | 27" - 300" diagonal |
| Built-in Speaker | Yes, 2W |
| Supported Video Formats | 480i/p, 576i/p, 720p, 1080i/p |
Frequently Asked Questions - VH-423 ACER
How to replace the lamp in the Acer VH-423 projector?
Turn off the projector and unplug it. Let it cool for at least 30 minutes. Remove the lamp cover by loosening the screw. Take out the old lamp module and insert the new one. Tighten the screw and replace the cover. Reset the lamp timer via the on-screen menu.
What is the recommended cleaning procedure for the air filter?
Turn off and unplug the projector. Locate the air filter on the side. Remove it and gently vacuum or wash with mild soap and water. Let it dry completely before reinstalling. Clean every 500 hours of use.
Can I connect my laptop to this projector wirelessly?
The Acer VH-423 does not have built-in wireless. Use an external wireless adapter (e.g., Acer Screen+ or a third-party dongle) connected to the HDMI port for wireless streaming.
What is the optimal projection distance for a 100-inch screen?
For a 100-inch diagonal, place the projector approximately 2.5 to 3.0 meters from the screen, depending on the zoom setting. Check the user manual for detailed projection distance chart.
How to fix a flickering image or no display?
Ensure the input source is correct. Restart both the projector and the source device. Check cables for damage. Clean the vents to prevent overheating. If persistent, the lamp may need replacement.
Does the Acer VH-423 support 3D content?
Yes, it supports DLP Link Active 3D. Connect a 3D-compatible source (e.g., Blu-ray player) and use 3D shu... (glasses not included). Enable 3D in the settings menu.
What is the warranty period for this projector?
Acer typically offers a 2-year limited warranty for the projector and 90 to 180 days for the lamp. Check your purchase receipt and local Acer support for exact terms.
How to access the service menu for advanced adjustments?
Enter the service menu by pressing Menu + Source + Enter simultaneously while the projector is on. Warning: Incorrect changes can damage the device. Only for trained technicians.
Can I use the projector for gaming?
Yes, the projector has a low input lag (approx. 16ms) suitable for casual gaming. For competitive gaming, use the Game mode in the picture settings to reduce lag further.
How to update the firmware on the VH-423?
Download the latest firmware file from Acer's support website. Copy it to a USB flash drive (FAT32). Plug the drive into the service USB port, navigate to Settings > Firmware Update and follow on-screen instructions.
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