The port that is transmitting the note messages might not be "ON."
Check the setting as follows.
- Refer also to “MC-101 Update.”
- Hold down the [SHIFT] button and press the TRACK SEL [1]-[4] button of the track whose setting you want to change.
- The setting screen appears. - Turn the [VALUE] knob to see the port that transmits note messages (TxMIDI Out, TxUSB MIDI).
- If this is set "OFF," press the [VALUE] knob to move the cursor to the value, and then turn the [VALUE] knob to change it to "ON."