I have HUMAX HDCI-2000(firmware 15),use Diablo light(stealth248) cam,I watch LUXE TV (138E,Freq=12354,SR=43000) is working,watch DreamTV (146E,Freq=12301,SR=25600) working too,but watch HKC cable (138E,Freq=12598,SR=43000) not work ,the picture have "MOSAIC",I do not know why?Any help would be...