Reply to Mixtrack Pro & Traktor Pro 2

Ok, ive searched the community but cant seem to find a fix for this, i was running the mixtrack with VDJ and it was fine

basically all i want to do is cue up the next track in my heaphones

i haven't a clue how to set this up

this is how ive got it hooked up

M AUDIO AV 40S plugged right in the mixtrack (rca to rca)

mixtrack is plugged into the pc

traktor is open, everything else works fine, just cant get my head round the cueig thing

this is what the audio setting say (sorry about the poor pics)







if anyone could help me sort this that would be great, its really confusing me at the mo

thanks