If my PJ (Sony 1031Q) is square and level (ceiling mount) and my screen is square an level, should the image on the tube face be square (rectangle)(no keystone)? My screen is a 4X3 with plenty of top and bottom room to spare.
Correct - it would only be square if the distance from each corner of the CRT face is the same to each corresponding corner of the screen. The only way this is possible is if the PJ's mounted exactly half way down the screen.
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