When I change from channel 204 to 205, using the + sign. The banner on the TV shows 205 but on the decoder it stays on 204. It is the same if I punch in the channel 205 from say 101. It show on the TV but the decoder does not change. This happens with a number of channels, including 206, 207, 208 and some movie channels. I have taken it to a dealer and they say nothing is wrong. After rebooting it multiple times. And factory resetting it. It also happens, that IF it goes to that channel, the image is blurred, like when there is a thunder storm. In this case there was no thunder storm. When I check the signal strength on a working channel it is in the 90s. When on this channel it is zero. Assistance and advice will be appreciated.
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