Guides for S-81C-K from Pioneer

Cleaning the speaker cabinet With normal use, wiping with a dry cloth should be sufficient to keep the cabinet clean. If necessary, clean with a cloth dipped in a neutral cleanser diluted five or six times with water, and wrung out well. Do not use furniture wax or cleansers. Never use thinners, benzine, insecticide sprays or other chemicals on or near this unit since these will corrode the surfaces. Cleaning the glossy finish of the speaker system S-81C-K only • If you use a dusty or hard cloth or if you rub the screen hard, the finish of the product will be scratched....