Panasonic SA-HT700

[elec999]

I have this Panasonic SA-HT700, this is a threater in a box player. The problem is that I cannot play dvd-r I burn with mp3s, it says disk not supported. I know it can read those dvd-r I burn mp3s with, since I burnt my family videos on them. I am using nero to burn them, is it the way I burn them, or just the player. Also is there any hacks for this player, so it can play pal movies.
Thanks

[Frail_Left]

Are you sure mp3 dvds are supported by the player? i have a h850 and it can play only mp3 cd according to the documentation.