Three. Wall Mounting

CM40AW, CM42, CM42AW, CM52, CM52AW

The Control Series Speakers may be wall mounted. The customer is responsible for proper selection and use of mounting hardware, avail- able through hardware

Vertical

stores, to properly and safely wall mount the speakers. This product is not intended for ceiling mounting. Optional adjustable wall/ ceiling-mount brackets are

Horizontal

available from JBL. Contact your dealer or call 800-336-4JBL for a dealer near you.

Troubleshooting

If there is no sound from any of the speakers, check the following:

•Receiver/ampliﬁer is on and a source is playing.

•Review proper operation of your receiver/ampliﬁer.

If there is no sound coming from one speaker, check the following:

•Check the “Balance” control on your receiver/ampliﬁer.

•Check all wires and connec- tions between receiver/ ampliﬁer and speakers.

•Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, or punctured.

If the system plays at low volumes but shuts off as volume is increased, check the following:

•Check all wires and connec- tions between receiver/ ampliﬁer and speakers.

•Make sure all wires are con- nected. 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 imped- ance requirements of your receiver/ampliﬁer.

If there is low bass output, check the following:

•Make sure the polarity (+ and –) of the left and right “Speaker Inputs” are connected properly.