Yamaha RM-WCH-8 Manual De Instrucciones página 9

• Do not place vinyl, plastic or rubber objects on the product,
since this might cause alteration or discoloration.
• When cleaning the product, use a dry and soft cloth. Do not use
paint thinners, solvents, cleaning fluids, or chemical-
impregnated wiping cloths, since this might cause alteration or
discoloration.
RM-WCH-8 Owner's Manual
9