Pad Lock is a feature in the SPD-SX that locks the pads so they cannot be selected while editing. This can be convenient when you want to audition the waves assigned to other pads while editing a selected wave.
1. Press the MENU button.
2. Press the Function 2(F2) button below the display to highlight the "SETUP" icon, and then press ENTER.
3. Use the cursor buttons to highlight "OPTION" and then press ENTER.
4. Cursor to PAD LOCK, and then press the + or - button to choose the desired setting - (ON or OFF).
5. Press EXIT when you're finished. The new setting is saved automatically.