The spcification of APEMAN LC550 projector says it has keystone correction feature, but why that some of the users say the keystone correction of their APEMAN LC550 projector is not working?
Keystone correction is a very practical and useful feature in projector world. Because we don’t always place our projector in a perfectly accurate position, hence distorted image will happen. This is where keystone correction come into play, a powerful feature allowing users to easily fix the distorted image.
Get back to the previous question, why the keystone correction didn’t work? Why the projected image still is distorted. That is because the Keystone Correction of APEMAN LC550 projector is only vertically ±15°, If you find that half of the projection image is blurry, please adjust the height of the lens. You can not completely relly on the Keystone Correction feature.
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