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When you connect the TD-3 to a DAW or MIDI Monitor, you need to ensure that you either have the "PITCH MODE" or "START/STOP" active, otherwise no CC will be sent when you play a Pattern. 

Please refer to the Quick Start guide for more information on how to use your TD-3; 

https://mediadl.musictribe.com/media/PLM/data/docs/P0DTD/TD-3_QSG_WW.pdf