Optimus-990 (400-1125) Care and Maintenance Faxback Doc. # 9563 Speaker System Your Optimus-990 system is an example of superior design and craftsmanship. The following suggestions will help you care for the speaker system, so that you can enjoy it for years. Keep the speaker dry. If it gets wet, wipe it dry immediately. Liquids can contain minerals that can corrode electronic circuits. Keep the speakers away from dust and dirt which can cause premature wear of parts. Wipe the speaker occasionally with a cloth dampened with furniture polish. This helps to keep it looking new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the speaker cabinet. CAUTION: You might permanently damage your speaker by cleaning them with a vacuum cleaner. Instead, use a feather duster or a soft cloth. (ALL-01/31/95)