I just received my Dish 811 receiver and have activated HDNET. I have it hooked up using component video. I have noticed one thing on the banner of the channel. There are 2 fields. One called HD:NORMAL and one called SD:Normal. What is the purpose of these fields. Even when I am on an HD channel, the SD:NORMAL field text is surrounded in a yellow band. I have not seen much difference in the picture quality on the HD channels