Power Switching System (260-0138) Care & Maintenance Faxback Doc. # 2550 Your Tandy Power Switching System should give you years of trouble-free service if you connect it to the proper power source and follow the suggestions below. If the system malfunctions, take it to your local Radio Shack store for assistance. * Handle the system gently and carefully. * Keep the system dry and free of excess dust. Moisture and dust can damage the system. * Never leave the system in contact with rubber or vinyl for an extended period of time. (smc/jej-05/11/94)