Hi, just got my ET8500 has 1 sat and 1 cable tuner, with openvix pre installed. set it up ran wizard, internet connection all working, only using the cable tuner, have sat tunner not connected. i have set my provider etc, but get nothing on a scan? tried this several times now and getting nowhere. the openvix screen saying please wait, remains on constantly, but i can still access the box via menu. cant figure out the problem. any help would be most welcome