PRS (A00568) May 9, 2021 R2HUncategorized Set Up. Set up. Strings and truss rod cover removed. Volume potentiometer and toggle switch removed. Fret board masked for cleaning or levelling. New potentiometer and toggle switch fitted. Fret board unmasked and lemon oiled. Truss rod cover refitted. Guitar set up with new strings, potentiometer and toggle switch.