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bpierceSep 12, 2025
How to un-reverse image on Acer Projector?
- MMonica RobertsSep 12, 2025
To un-reverse the image on your Acer Projector, select "Image --> Projection" on the OSD and adjust the projection direction.

How to un-reverse image on Acer Projector?
To un-reverse the image on your Acer Projector, select "Image --> Projection" on the OSD and adjust the projection direction.
Why did the lamp burn out on my Acer D402D?
When the lamp reaches the end of its useful life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the "Replacing the Lamp" section.
| Category | Projector |
|---|---|
| Brightness | 4000 ANSI lumens |
| Display Technology | DLP |
| Zoom Ratio | 1.1x |
| Projection Size | 30" - 300" |
| Native Resolution | 1024 x 768 (XGA) |
| Contrast Ratio | 20000:1 |
| Lamp Life (Normal) | 5000 hours |
| Lamp Life (Eco) | 10000 hours |
| Keystone Correction | ±40° Vertical |
| Input Connectors | HDMI, VGA, Composite Video, Audio |
| Output Connectors | Audio |
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