If you'd like to redo the SPD-30 settings from scratch, you can use the following procedure to clear the internal memory and reload its factory settings:
Caution: All USER information will be lost. Be sure to back up any information you wish to keep.
1. Press MENU.
2. Turn the Function 1 (F1) knob to select "SYSTEM," and then press F3(ENTER).
3. Press the Function 2 (F2) button to select the "F RESET" tab.
4. Turn the F1 knob to choose "FACTORY RESET.
5. Press F3 three times.