Do I have a fixable geometry problem ? When using the 4:3 mode, the sides of the 4:3 display area are curved. When watching a wide screen display, and the picture is showing a very dark/black shot, I can see lighter areas top on bottom on the LHS, almost shaped like somebody is about to turn a page (!). The bottom on being larger than the top one. Are these problems that can be tweaked with the engineering menu ? Any why does Teletubbies throw the smart and wide modes into complete disarray (wobbly edges) ? Nothing else on the sky-borne cbeebies does, or anywhere else for that matter !!!!