Use the following procedure to initialize the MC-505 and restore the factory
1) Turn the unit off.
2) While holding SHIFT, turn the power on.
3) Press ENTER to display "Are you sure?"
4) Press ENTER again.
NOTE: The reset procedure takes approximately four minutes to complete.
DO NOT turn the power off while the MC-505 is processing.
Performing a factory reset erases any User Patterns or User Patches you have
If this data is important to you, you must back it up before performing the
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