FM Wireless Microphone (320-1221) Care and Maintenance Faxback Doc. # 7047 The Radio Shack FM wireless microphone system is an example of superior design and craftsmanship, and should be treated with care. These suggestions will help you enjoy this product for many years. Keep it dry. If water should get on it, wipe it off. Water contains minerals that can corrode electronic circuits. Do not store in hot areas. High temperatures can shorten the life of electronic devices, damage batteries, and warp or melt certain plastics. Do not drop it. This might cause permanent damage. The circuit boards and case can be broken. Do not use or store it in dusty, dirty areas. this will cause premature wear of moving parts. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean it. Wipe it with a soft cloth dampened in a mild soap-and water solution. Be sure batteries are the correct type - do not use general purpose batteries if alkaline batteries are recommended. Remove old, weak batteries - they can leak chemicals that damage electronic circuits. If the unit is not working properly, take it to the local Radio Shack store for assistance. (smc-02/24/94)