Use this procedure to restore all SC-8850 settings to their factory defaults. This can be helpful if you want to clear unwanted settings or troubleshoot unusual behavior.
- Simultaneously press both the [EDIT] and PART [◀] buttons (UTIL).
- Press the [F3] (INIT) button.
- Press VAR. [▼] or INST [▲] to move the cursor up and down, and select "Initialize All".
- Press the [ENTER] button.
The display will ask “Initialize Sure?” - To initialize, press the [ENTER] button.
To quit without initializing, press the [EXIT] button.
SC-8850 Owner's Manual download: https://www.roland.com/global/support/archives/archive_manuals_n-s/