If you're sending MIDI clock messages from the computer to the SPD-30 via USB and it is not syncing, check the following setting:
1. Press MENU.
2. Turn the function 1 knob to highlight "SYSTEM," and then press the function 3 button (ENTER).
3. Press the function 2 button to choose the MIDI tab.
4. Turn knob 1 to select " MIDI Sync," and then turn knob 3 to choose "AUTO" or "USB."
5. Press EXIT when you're finished. The new settings are saved automatically.
6. Connect the USB cable to the computer, and then cycle the power on the SPD-30 (Off/On).