To answer your question XDJ-R1, if the unit is MIDI mappable, then yes, you can map it. To be sure that you aren't disappointed, be sure to check into the entire unit being MIDI mappable, as most "all in one" controllers only allow certain things to be mapped. Having said that, I can almost guarantee that the screen and information on the screen will not be able to be MIDI mapped, so you would be better looking for a controller that didn't have that kind of display unless you are looking to use it with Serato.
I would also check out the video, as lots of people are having issues with the unit