Reply to Ttraktor 2, using S4 internal recording, HELP PLESEE

Hi, just got my new Traktor S4 and loving it, but i have a major problem........"how the hell can i record my sets" using 4 channels on it (traktor 2 for S4)......i can only do when i use the 2 channels, but i got this Kontrol just because it was 4 channels and NEED to use the 4 channels to record my sets.....Any idea, it is something i didn't do right??? PLEASE, PLEASE HELP!!!!!