To switch from the [Internal Playback] mode to the [Scratch Control] mode, press the [PLAY (REL.)] or [CUE (ABS.)] button while pressing the [SHIFT] button, as described in "Playing tracks" in this unit's operating instructions.
Switching from the [Scratch Control] mode to the mode [Internal Playback] is not possible from the DJM-T1.
Use the mouse to click "A" or "B" on the TRAKTOR 2 software. A pull-down menu appears. Specify the mode from here.