Does anyone know which tuner model from TBS use AVAlink AVL2108 DVBs2 ,. The reason I am asking I have been test 6984 , 8920, 6981 and I can't LOCK AMC1 125West on frequency: 11740 V,11760 H,11780. V,11800 H,11980 V SBR: 30000 I can,t LOCK this satellite eider 50West same problem. Does anyone has be...