The following procedure can be used to clear the internal memory and reload the factory settings:
CAUTION: All USER information will be lost. Be sure to back up any information you wish to keep.
- Turn the power off.
- Power on while pressing the PARAMETER [▲] and VALUE [▲] buttons.
- Press the [WRITE] button.
- Specify the desired range that is to be initialized.
Value: SYSTEM - No. 100 - Press the [WRITE] button.
SE-50 Owner's Manual: https://www.boss.info/us/support/manual_archive/