Hi There, Possibly a dumb question - looking to do a "live mixdown" to the stereo tracks with real-time panning and level changes using already recorded tracks. (Tracks are set to MTR). I understand that if I hit record with no individual tracks armed to record it will begin the recording of this stereo track. How do I monitor what is being sent to the master track in real time? I can't seem to make the panning or level changes have any effect in the headphones or on external monitors attached. Thanks, Appreciate your help!