Hi, does anyone have a guide or any info on how to set up a zgemma h.2s(openvix)to use with a motorised dish,i was going to use my old humax 5400 to drive the dish to 19.2 then connect the zgemma but the humax seems to have died , so i am going to use the h.2s, what settings are needed please for tuner a or b, thanks, ripley.