Use the following procedure to clear the GR-20’s internal memory and reload its factory settings.
Caution: All User information is lost during a Factory Reset. Be sure to first back up anything you wish to keep before proceeding.
1. Power on while holding WRITE—"ALL" flashes in the display.
2. Release WRITE, and then press WRITE again.
Caution: All User information is lost during a Factory Reset. Be sure to first back up anything you wish to keep before proceeding.
1. Power on while holding WRITE—"ALL" flashes in the display.
2. Release WRITE, and then press WRITE again.