Use a carpenter's level to ensure that the holes are even and that the speaker will mount on the level. Install the two screws into either a wooden wall stud or 8" (203mm) 1/8" (3mm) TROUBLESHOOTING If there is no sound from any of the speakers: · Check that receiver/amplifier is on and that a source is playing. · Review proper operation of your receiver/amplifier. If there is no sound coming from one speaker: · Check the "Balance" control on your receiver/amplifier. · Check all wires and connections between receiver/amplifier and speakers. Make sure no wires are touching other wires or terminals and creating a short circuit. · Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut or punctured. · In Dolby* Digital or DTS® mode, make sure that the receiver/processor is configured so that the speaker in question is enabled. · Turn off all electronics and switch the speaker in question with one of the other speakers that is working correctly. Turn everything back on, and determine whether the problem has followed the speakers, or has remained in the same channel. If the prob- lem is in the same channel, the source of the problem is most likely with your receiver or amplifier, and you should consult the owner's manual for that product for further information. If the problem has followed the speaker, consult your dealer for further assistance or, if that is not possible, visit www. com for further information. If the system plays at low volumes but shuts off as volume is increased: use with digital ". 1" surround formats. If there is no sound from the surround speakers: · Check all wires and connections between receiver/amplifier and speakers. · Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut or punctured. · If more than one pair of main speakers is being used, check the minimum impedance requirements of your receiver/amplifier...