It was already made Multi-Region for me, but as a rule its Region 2 only.
Have a look in the WWW and type in TV hacks and see if yuou can find it, you might need a Universal remote and possibly a PDA but have a wee look first, if you go onto Amazon and type in your DVDr title ie Panasonic EX75 you might get some information there, this is the best I can tell you but the best of luck anyway.