The PBS in my area, WENH 11, broadcasts 11.1 in 1080i , subchannel 11.2 in 480i and subchannel 11.3 in 16:9 480i. My Dish receiver displays 11.3 with no problem, but my Sony LCD wants to show it in 4:3. I have to use the Sony's Zoom format to widen the picture. The station engineer explained...