I have a skybox f5 and 2 normal sky boxes, when the sky box is switched on in my room and the lnb wire is inside some channels on the skybox f5 such aa espn hd or skysports 3 hd stop working properly or have very bad signal and a bad picture , anyone know how to fix this issue because im getting a second skybox f5 for my room and i would like to use both boxes at the same time with no issues thanks.