Notice SONY SA-WM250

« hock hazard, do not place objects filled with liquids, such as vases, on the apparatus. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. Precautions On safety •Before operating the subwoofer, be sure that the operating voltage of your subwoofer is identical with that of your local power supply. •Unplug the subwoofer from the wall outlet if it is not to be used for an extended period of time. To disconnect the cord, pull the cord by grasping the plug. Never pull the cord itself. •Should any liquid or solid object fall into the subwoofer, unplug the subwoofer and have the subwoofer checked by qualified personnel before operating it any further. •AC power cord must be changed only at the qualified service shop. When turning on or off an amplifier or other equipment Lower the volume of the amplifier to minimum. To avoid damaging the subwoofer •Be careful in setting the volume control of the amplifier to avoid an excessive input power. •Do not attempt to open the enclosure or remold speaker units and networks. In case color irregularity is observed on the nearby TV screen With the magnetically shielded type of the speaker system, the speakers can be installed near a TV set. However, color irregularity may still be observed on the TV screen depending on the type of your TV set. If color irregularity is observed... tTurn off the TV set once, then turn it on after 15 to 30 minutes. If color irregularity is observed again... tPlace the speakers further apart from the TV set. When howling occurs Relocate the speaker or turn down the volume of the amplifier. On installation •Do not install the subwoofer near heat sources such as radiators or air ducts, or in a place subject to direct sunlight, excessive dust, mechanical vibration or shock. •Good ventilation is essential to prevent internal heat build-up in the subwoofer. Place the subwoofer in a location with adequate air circulation. Do not place the subwoofer on a soft surface. •Use caution when placing the speaker on a specially treated (waxed, oiled, polished, etc.) floor, as staining or discoloration may result. On cleaning the cabinet Clean the cabinet with a soft cloth lightly moistened with water. Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzine. If you have any questions or problems concerning your subwoofer that is not covered in this manual, please consult your nearest Sony dealer. Installation Since the human ear cannot detect the direction and position where the bass sound being reproduced by a subwoofer (below 200 Hz) comes from, you can install the subwoofer wherever you like in your room. To obtain a better bass reproduction, we recommend you to install the subwoofer on a solid floor where the resonance is unlikely to occur. Notes •Always install the subwoofer vertically, keeping a few centimeters away from the wall. •Do not place an object on the subwoofer or sit on it. •If the subwoofer is installed in the center of a room, the bass could be extremely weakened. This is due to the influence of the standing wave of the room. If this happened, move the subwoofer away from the center of a room or eliminate the cause of the standing wave, by installing a bookshelf on the wall, etc. Hooking Up the System Overview Use the INPUT jacks or the SPEAKER IN terminals of the subwoofer when you connect the amplifier. •If your... »