[. . . ] 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. [. . . ] 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. The power cord of the product should be unplugged from the outlet when left unused for long periods of time. For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges. Do not overload wall outlets, extension cords, or integral convenience receptacles, as this can result in a risk of fire or electric shock. Never push objects of any kind into this product through openings, as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. 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 Speaker-Level ­ Stereo Receiver/Amplifier Main-speaker output + L ­ ­ + Power +­ Left +­ Right R 50 150 Min Max High-Level Input High-Level Output Low-Level Input Crossover Frequency Volume Discrete Digital AMPLIFICATION JBL CONSUMER PRODUCTS NORTHRIDGE, CA Made in Canada Serial #: +­ CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN +­ Right Loudspeaker ~ 120V 60Hz 100W LR110113 Left Loudspeaker 1A 250V RISK OF FIRE REPLACE FUSE AS MARKED To reduce the risk of electric shock, do not expose this equipment to rain or moisture. one. Hookup Line-Level ­ Stereo + L ­ ­ + Power R 50 150 Min Max High-Level Input High-Level Output Low-Level Input Crossover Frequency Volume Discrete Digital AMPLIFICATION JBL CONSUMER PRODUCTS NORTHRIDGE, CA Made in Canada Serial #: CAUTION ~ 120V 60Hz 100W LR110113 RISK OF ELECTRIC SHOCK DO NOT OPEN To reduce the risk of electric shock, do not expose this equipment to rain or moisture. 1A 250V RISK OF FIRE REPLACE FUSE AS MARKED Receiver/Amplifier Subwoofer out L R Main-speaker output Right Left +­ +­ 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. +­ Right Loudspeaker +­ Left Loudspeaker three. Operation Mode Off On Standby Procedure Receiver/amplifier off Receiver/amplifier on and playing program material Simply turn off your receiver/amplifier. The subwoofer will turn on when your receiver/amplifier begins playing again. LED Status Red Green Red Volume min max Volume min max Volume Crossover Frequency The crossover-frequency knob determines the highest frequency your subwoofer will reproduce. It allows a seamless transition from the subwoofer to the satellite speakers. Experiment with this adjustment to find the crossover frequency that sounds best with your speakers. [. . . ] Experiment with this adjustment to find the crossover frequency that sounds best with your speakers. When using the speaker-level connections, the crossover adjustment will also limit the low frequencies being sent to your satellite speakers. This means that your satellites won't have to try to reproduce the information the subwoofer is playing. Troubleshooting If you used the high-level (speaker) inputs and there is no sound from any of the speakers, check the following: · Receiver/amplifier is on and a source is playing. · Check all wires and connections between receiver/ amplifier and speakers. [. . . ]