MC-909: Slaving the MC-909 to External MIDI Clock
1. Connect the MIDI OUT of your external device to the MIDI IN of the MC-909. Make sure your external device is set to transmit MIDI clock.
2. On the MC-909, press [MENU], highlight System, and press [ENTER].
3. Press [F2]- Seq/MIDI.
4. Press [F1]- Seq Sync.
5. After Sync Mode, use the VALUE dial to select "SLAVE". The BPM indicator will display "- - -.-".
6. Press play on your external device. The MC-909 will automatically start and play at the same tempo.