I just received my Panasonic PT-AX200U and got it all set up. I have a few questions that I thought somebody on here could help me with. As I have setup right now the projector sits about 12 feet back from my 106" screen. The projector is ceiling mounted about 2" above the top of the screen. I am however having a heck of a time getting the focus right. It seems no matter what I do it is either blurry at the top or bottom of the screen, depending how I focus it. Is this normal because I am close to the extent of the horizontal lens shift?