JBL PERFORMANCE P10SW Owner's Manual

Also see for PERFORMANCE P10SW: Brochure Service manual

Contents

JBL PERFORMANCE P10SW Owner's Manual Manual pdf 7 page image

TROUBLESHOOTINGIf you used the high-level(speaker) inputs and thereis no sound from any of thespeakers:• Check that the receiver/amplifier is on and a sourceis playing.• Check that the poweredsubwoofer is plugged intoan active electrical outletand is switched on.• Check all wires and connec-tions between the receiver/amplifier and the speakers.Make sure all wires are con-nected. Make sure none ofthe speaker wires are frayed,cut or punctured, or touchingeach other, except for thewires for the front left andright speakers, which may bejoined with the wires for thesubwoofer at the receiver/amplifier end only, if you areusing the speaker-levelconnections as describedon page 4.• Review proper operationof your receiver/amplifier.If there is low (or no) bassoutput:• Make sure the connectionsto the left and right “SpeakerInputs” have the correctpolarity (+ and –).• Make sure that the sub-woofer is plugged into anactive electrical outlet andswitched on.• Adjust the crossover point.• Flip the Phase Control switchto the opposite position.• If you are using a DolbyDigital/DTS receiver orprocessor, make sure that thesubwoofer adjustments onthe receiver/processor areset up correctly.• Slowly turn the Level Controlclockwise until you begin tohear the desired amount ofbass.If you used the line-levelinputs and there is no soundfrom the subwoofer:• Check that the receiver/amplifier is on and a sourceis playing.• Check that the poweredsubwoofer is plugged into anactive electrical outlet and isswitched on.• Check all wires andconnections between thereceiver/amplifier and thesubwoofer. Make sure allwires are connected. Makesure none of the wires arefrayed, cut or punctured, ortouching each other.• Review proper operation ofyour receiver/amplifier.• Slowly turn the LevelControl clockwise until youbegin to hear the desiredamount of bass.• Make sure that you haveconfigured your receiver/processor so that the sub-woofer/LFE output is on.Phase ControlThe Phase Control determineswhether the subwoofer’s pis-ton-like action moves in andout in phase with the mainspeakers or opposite themain speakers. There is nocorrect or incorrect setting.Proper phase adjustmentdepends on several variablessuch as subwoofer placementand listener position. Adjustthe phase switch to maximizebass output at the listeningposition.Remember, every system,room and listener is different.There are no right or wrongsettings; this switch offers theadded flexibility to adjust yoursubwoofer for optimum per-formance for your specificlistening conditions withouthaving to move your speakers.If at some time in the futureyou happen to rearrange yourlistening room and move yourspeakers, you should experi-ment with the phase switch inboth positions, and leave it inthe position that maximizesbass performance.7

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