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SING YOUR SPEAKER SYSTEM
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Balancing tone for the sound you like
The acoustics of your room affects the sound you hear there. Upholstered furniture, carpets,
and drapes absorb sound, which can muffle the treble (high frequencies). Bare floors, walls,
and furniture have the opposite effect and can make the treble sound shrill.
A bass compensation control on the Acoustimass
®
module enables you to balance the tones
you hear.
There are two ways to adjust the bass:
• Turn the control clockwise to increase or counterclockwise to decrease bass.
• Reposition the module. To increase bass, turn the front of the module toward a wall or other
nearby surface. To decrease bass, aim the front from the wall.
Troubleshooting
Problem What to do
The speaker system does not
play
• Make sure all connections are secure. (See “Making
connections” on page 8.)
• Check your speaker wires for damage or frays, which
can cause an open or short circuit.
• Be sure that the sound source is plugged in and !
playing at an audible volume.
• Make sure the power is on and the system is not
muted. The LED on the control pod should be green
when unmuted.
• If using a PC, check your sound card settings to make
sure the “Digital output only” setting is turned OFF.
This setting is typically found in the Options menu of
the volume control icon. This icon is usually located in
the lower right-hand corner of the Windows desktop.
The speaker system sound!
seems distorted
• Decrease the volume of the sound source and
increase the speaker system volume using the control
pod.
One speaker does not perform
or sounds distorted
• Check connections from the speakers, control pod,
and computer to the Acoustimass
®
module. (See
“Making connections” on page 8.)
• Be sure the cable from the unheard speaker is firmly
inserted in the proper To Speaker jack on the module.
• Switch the connection of both speakers to jacks on
the rear of the Acoustimass module.
- If this does not resolve the problem for the !
originally unheard speaker, this speaker may be
the cause. Contact Bose
®
Customer Service.
- If the problem switches to the other speaker (the
one that previously performed) a defective output
channel on the sound source may be the cause.
Try a different source.
- If this does not resolve the problem, the Acousti-
mass module may be the cause. Contact Bose
Customer Service.
• Check balance levels on your sound source.