I am having trouble in getting ths unit to work.. i just picked it up frm a secndhand shop nd now i cant crank up its volume bcoz i dont have its remote. i have searched alot and i know tht SKY+ nd SKY HD remotes work on it for cranking volume up.. but the problm is tht i cant get BOTH OF THESE REMOTES TO WORK. Please help me nd consider me a noob .. give me a full guide please like how to program these remotes to use with it and all.. :