Just replaced a CRT SD with a UHD curved screen. STB was working fine allowing all features even the red "C" to hd channels and ch+/- tuning through the hd channels (appeared in "letterbox). Now I can direct tune HD or red "C" hd but I cannot ch+/- any channels above 473 (anlog through SD). The Support site is useless and so far I have spend three 30+ minute periods on hold and jumping to non working urls. Any Help greatly appreciated.
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