User manual HARMAN KARDON HK6350R

[. . . ] Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as when the power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally or has been dropped. Do not use attachments not recommended by the product manufacturer, as they may cause hazards. installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits, as contact with them might be fatal. Do not overload wall outlets, extension cords or integral convenience receptacles, as this can result in a risk of fire or electric shock. [. . . ] This allows the HKSUB 12 to focus its power on reproducing the low-frequency portion of the signal, avoiding inefficiency and distortion. Engage this filter when using the Speaker-Level Inputs ¡, or when using the Line-Level Full-Range Inputs £, unless your receiver or processor processes its line-level output using a low-pass filter. The filter has no effect when the SUB Input ¢ is used. See page 17 for more information about this switch. ª Crossover Frequency Control: Adjust this control to set the highest frequency the HKSUB 12 will reproduce. You should begin by setting it slightly above the lowest frequency that your main speakers are capable of reproducing. You may safely adjust the crossover frequency later as you listen to different program materials. This control will have no effect if you are using the LineLevel Subwoofer (SUB) Input ¢, or if you have set the High-Cut (Low-Pass) Filter Switch · to the OFF position. See page 17 for more information on adjusting the crossover setting. , Subwoofer-Level Control: Volume may be adjusted using the SubwooferLevel Control. Turn the control clockwise to increase the HKSUB 12's volume, or counterclockwise to decrease it. However, frequencies between 75Hz ­ 150Hz can be localized, especially at higher volume levels. Positioning your subwoofer as recommended will provide the most natural soundstage and imaging from your loudspeaker system. Remember that these are just guidelines. Since every listening room is different, Harman Kardon strongly recommends experimenting with the positioning of your subwoofer to obtain the most pleasing results in your room. One technique that can help you find the ideal subwoofer location is to temporarily place the subwoofer near the main listening location. Then move around the room and determine where you hear the most pleasing bass performance. This is the ideal location for the subwoofer. 10 SPEAKER PLACEMENT MOUNTING OPTIONS HKB 4 and HKB 6 Bookshelf Speakers The HKB 4 and HKB 6 speakers may be placed on a shelf. Place the supplied rubber pads on the bottom of each speaker, one pad at each corner, to protect your furniture and the speakers. These two models also feature a threaded insert capable of accepting OmniMount® wall-mount brackets. Harman Kardon recommends that you select Model 20. 0 Wall to safely mount your HKB 4 loudspeakers, and Model 30. 0 Wall to safely mount your HKB 6 loudspeakers. DO NOT mount these speakers from the ceiling, as they are not designed for ceiling mounting, and doing so may present a serious danger to personal safety. [. . . ] If the same speaker continues not to work correctly, then consult your dealer for further assistance, or, if that is not possible, visit our Web site at www. harmankardon. com for further information. If there is no sound from · Check all wires and connections between receiver/amplifier and speaker. the center speaker: Make sure none of the speaker wires are frayed, cut, punctured or touching other wires or terminals, which may cause a short. · If your receiver/processor is set in Dolby* Pro Logic* mode, make sure the center speaker is not in phantom mode. [. . . ]