[. . . ] The product should be mounted on a wall or ceiling only when and as recommended by the manufacturer. Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer's instructions have been adhered to. [. . . ] The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products that produce heat. If placed near an amplifier, check with the manufacturer for applicability. This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. For products intended to operate from battery power, or other sources, refer to the operating instructions. This product may be equipped with a polarized alternating-current line plug (a plug having one blade wider than the other). If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Powersupply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product. Speaker Placement Satellites Center Subwoofer 0-2 ft. Surround Speakers 5 ­ 6 ft. Mounting Options Satellites On shelves. On the wall. Speaker Connections Connection Tips For satellites, thread speaker wire through the hole in the bottom of the speaker, then feed it through the recessed wire channel. Separate and strip the ends of the speaker wire as shown. Speakers and electronics terminals have corresponding (+) and (­) terminals. It is important to connect both speakers identically: (+) on the speaker to (+) on the amplifier and (­) on the speaker to (­) on the amplifier. Wiring "out of phase" results in thin sound, weak bass and a poor stereo image. Speaker level Left Front sat20 + ­ Subwoofer + ­ ­ + Center Speaker + ­ Right Front sat20 + ­ Left Right Output to Satellite Input from Amplifier Left Right + ­ ­ + Receiver Left Front + ­ Center + ­ Right Front ­ + Left Surround + ­ Left Surround + ­ Right Surround ­ + Right Surround + ­ Line level Left Front sat20 + ­ Subwoofer Input R L Center Speaker + ­ Right Front sat20 + ­ Receiver Front Left + ­ Rear Left + ­ Subwoofer Out R L Front Right ­ + Center + ­ Rear Right ­ + Note: Some receivers/ amplifiers have a single (mono) subwoofer output. In this case, it is recommended that you use a "Y"-connector (not included) to maximize the subwoofer's performance. Left Surround + ­ Right Surround + ­ three. Operation Power ON AUTO OFF POWER ON Typical Receiver AUTO OFF ON AUTO OFF Volume Level Level Troubleshooting If there is no sound from any of the speakers, check the following: · Receiver/amplifier is on and a source is playing. · Powered subwoofer is plugged in and is either in the "On" or "Auto" position. · Check all wires and connections between receiver/ amplifier and speakers. [. . . ] · Powered subwoofer is plugged in and is either in the "On" or "Auto" position. · Check all wires and connections between receiver/ amplifier and speakers. If there is no sound coming from one speaker, check the following: · Check the "Balance" control on your receiver/amplifier. · Check all wires and connections between receiver/ amplifier and speakers. [. . . ]