Optical adjustments
The projector corrects the image deformation by the optical keystone correction.
See the example below:
However, this projector does not have a horizontal keystone correction function.
The projector must be placed horizontally to the projection screen.
If you encounter the problem as shown above, it is probably because the
projector has not been placed horizontally to the projection screen, or the
projection screen is not vertically positioned.
Solution: Adjust the projector's position so that it is horizontal to the projector
screen
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