Hi new to this,got really silly question ,I hav a zgemma hi set up for cable,box working ok,but when I selected automatic scan I got 3 options 1 network scan 2 clear list before scan 3 cable scan or something like that, my question is I pressed green button once it was done went on to abm scan but I think it only scanned network should I hav done all 3 ,thanks agian