Repeat steps 4 and 5, selecting a new Track each time. Use the Group, Bank and Number buttons, or Sliders, to select Patches for each Part. Record a sequence, as above. Press TX VOL on the Edit Palette. Press REC and select an empty Track for recording.
Press PLAY to start recording, and move the sliders to mix the volume levels.
The sequencer will play back your volume changes. You can do the same with TX PAN, to move the sounds throughout the stereo field. Press V-EXP and A in the Patch Group buttons. Cursor between individual Parts. Press BANK LOW in the Patch Group buttons.