Pro Audio Support

Q:
How do I hard reset (factory initialize) the Yamaha S90?
 
A:
WARNING: All user stored data will be deleted. If the current settings and data are not expendable, create a backup before executing the Facotry Reset procedure.

1. Press [UTILITY] button
2. Press [JOB] button
3. Press the [ENTER] button
4. Press [INC/YES] button