ISO to DVD

The vro file will never play as a video dvd afaik it will need to be converted to vob files from vro thats the whole reason its not working
From what i can assume from whats been written is the vro files are the format used by the stand alone dvd recorder to write to ram.Im guessing vro files written on dvd - r are not recognised in stand alone dvd recorder but only on dvd ram???

From my experience with an Hitachi DVD RAM recordable, if you dont finalise the disc then the headers are only good on plackback to that specefic device. I can convert the raw disc data to an iso but unless i finalise the disk its next to useless as none of the headers needed have been wrote that can allow other programs to read it. If i record onto either a +/- R then the problem is solved as the dvd recorder creates it's own vob files.