Hi, I'm using 2 quad tuners, TBS 6985 and TBS 6904 on a moi pro. Connected to each tuner, I've connected 2 RG6 cables for a total of 4 cables (2 going into 6985 and 2 going into 6904). Out of the 8 adapters, I'm only using 4. The problem I'm having is as follows. I'm getting constant pixelation/arti...