Try manual scanning on 347500 for UTV and 339500 for RTE.To do a factory reset press Menu on your remote go down the list to Factory reset press OK on your remote then OK when your in the factory reset menu.
a number of boxes reset emu to off if switched off/unplugged so it is good practice to recheck emu if most of ur chs. blank
Most of the cable providers in Spain use Nagra2, as far as I can tell, so you'd probably need to use something like the TGM 220, as I know they are on sale over there.