Keystone Correction is a common term widely seen in projector specifications. This technology is a solution to the keystone effect.

The keystone effect is the apparent distortion of an image caused by projecting it onto an angled surface.

Keystone Correction can remove this effect, allowing projectors to project a rectangular image though they are placed not perpendicular to the screen.

Projector Keystone Correction

There are two main kinds of keystone correction in the market, including manual keystone correction and auto keystone correction.

For manual keystone correction, you can adjust the image angle by means of arrows in the remote control. For auto keystone correction, you can start the function by finding and starting the auto keystone correction.

If your projector doesn’t support keystone correction, you can just adjust the position of the projectors, placing it perpendicular to the screen.

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