I am only trying to do a mix and this never happened before and it started to do slow motion ****** in the middle of the mix.. I did it 3 times to test it and I didnt press any buttons or anything it started doing the slow motion ****** again about half a hour into the mix everytime.. seriously how do you fix this please.. it's driving me crazy… I paid 100 euro's for this and it does this ****** like.??