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This symbol is intended to alert the user to the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the device. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICE TO QUALIFIED PERSONNEL . WARNING! To prevent fire or shock hazard, do not expose this device to rain, water, or wet locations. . WARNING! Do not insert any metallic obje