42" toshiba regza HD is displaying in 480i. Does the TV auto switch to 1080

rocket

New member
whem the signal is full HD? My Toshiba Regza has a bar at the top of the screen saying its at 480i. I cannot find a switch anywhere in the menu activating 1080. What gives?
How do I insure I am watching HDF programing in HD. I ordered a HD movie PPV and it still displayed 480. I know when I had a HD package before on my cable plan it worked fine.
 
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