Disengage Sync

Press SHIFT + SYNC on the hardware to disable Sync for the deck.You can also click the OFF button to the left of the SYNC button in the software. The first press of the OFF button will keep the deck in Relative Pitch, but it will no longer be in Sync. This will be shown by the SYNC button having a blue outline.

The second press will disengage Relative Pitch and the hardware pitch slider will assume control.