User manual ALTEC LANSING BX20

[. . . ] Object and Liquid Entry -- Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings. Servicing should be referred to qualified service personnel or returned to the dealer or call the Altec Lansing service line for assistance. [. . . ] Outdoor Use -- Warning: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture. Ventilation -- The appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or placed in a built-in installation, such as a closed bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat -- The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat. Power Sources -- The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance. Power-Cord Protection -- Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance. Grounding or Polarization -- The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated. Cleaning -- The appliance should be cleaned only with a polishing cloth or a soft dry cloth. Never clean with furniture wax, benzene, insecticides or other volatile liquids since they may corrode the cabinet. [. . . ] This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation. [. . . ]