Power Switching System (260-0138) Cleaning the System Faxback Doc. # 2551 Cautions: * Always unplug the system before you clean it. * Do not use benzene, thinner, or any volatile substances to clean the system. Such substances permanently damage the finish. Wipe the system with a soft cloth. If the system requires more than dusting, use a household window cleaner and a soft cloth. Occasionally, the internal parts of the system need to be cleaned to prevent damage caused by dust particles. We recommend that you take the system to your local Radio Shack store for yearly clearing. (smc/jej-05/11/94)