NEC PX1005QL-W User Manual

Also see for PX1005QL-B: User manual

1085. Using On-Screen M enuCORNERSTONEDisplay the 4-point correction screen and adjust the trapezoidal distortion of the projection screen.Please refer to “Correcting Horizontal and Vertical Keystone Distortion [CORNERSTONE]” (→ page 42) for detailson the operation.HORIZONTAL CORNER/VERTICAL CORNERDistortion correction for corner projection such as wall surfaces.HORIZONTAL CORNER�� Performs correction for projection onto a wall lying at an angle to the horizontal direction�* Reverse angle correction is also possible�VERTICAL CORNER�� Performs correction for projection onto a wall lying at an angle to the vertical direction�* Reverse angle correction is also possible�NOTE:• When the maximum adjustment range is exceeded, distortion adjustment is disabled. Set up the projector at an optimal angle asthe deterioration in the image quality increases as the distortion adjustment volume gets larger.• Please note that the image will go out of focus due to the difference in the distance between the upper and lower or left and rightsides and the center of the screen for projections cutting across corners. Lenses with short focal points are also not recommendedfor projections cutting across corners as the image will go out of focus.