JD-990: Initializing the JD-990 - Restoring the Factory Settings

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.)

1) Press PERFORMANCE, PATCH, or RHYTHM.
2) While holding down EXIT, press UTILITY.
3) Press F6 (EXECUTE) followed by F5 (YES).

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