high, i've got a problem with my digi tv, its a product from nebula eloctronics. the problem i am having is that i am unable to tune in to ITV1 2 3 and 4 and also channal 4. i've tryed to play around with the settings, but it still wont pick up those channals. i know i can get them because i did pick them up, but then i kneeded to re tune them. please. if any one has a digi tv box, can they let me know how to receve those channals. thanks. balal