Ihave a Prediwave PDV4102S dvr reciever at my hause, knowing nothing of this reciever and hopping for a possible cheap FTA reciever find , I did test it for reception, but notting come out satellite service . the DVR works and has some recorded programs . the question is can this reciever be used for FTA? i did set it to Satmex5, but still not work.can you help tell me how to program the reciever and the dish? thank