I am using the new digital converter box on my analog TV in my RV. There are several stations in my area that are transmitting in both digital and analog. I am able to get both. However when receiving in digital, my picture is smaller. Usually a border all around. Since the TV is analog and NOT Hi Def, does this mean that to get a full picture I nead to replace the analog TV with a digital TV. I don't remember reading anywhere that once we go digital only, the old analog TV will work with a converter, BUT AT A REDUCED SIZE!!! I just need verification that the new digital signal will cause a reduced picture size on an analog TV. Or....am I doing something wrong???