Ensure that you heed all warnings to minimize product malfunction and reduce the chances of incurring personal injury. Before using the unit, observe the following guidelines to ensure proper care and maintenance. ACCESSORIES Take care when placing the product on an unstable cart, stand, tripod, bracket or table. Quick stops, excessive force and uneven surfaces may cause the system to overturn and fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket or table recommended by Oregon Scientific, or sold with the product. VENTILATION Slots and openings in the product are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating. These openings should never be blocked or covered by placing the product on a bed, sofa, rug or other similar surface. The product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or Oregon Scientificís instructions have been adhered to. The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. To prevent fire or shock hazard, do not use this plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure...