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REFERENCE
Troubleshooting
If you have a problem with your Acoustimass
®
speaker system, turn off your sound source
and try the following solutions. If you still have a problem, contact your Bose
®
dealer to
arrange for service. To contact Bose directly, refer to the address list included in the carton.
Problem What to do
System does not function
at all
• Make sure the receiver and powered Acoustimass module are plugged into an operating
AC outlet and that the receiver is plugged in and turned on.
• Be sure to select an audio source on the receiver (video, CD, DVD, tuner).
No sound • Increase the volume.
• Disconnect any headphones.
• Check the speaker connections.
• Make sure that both the powered Acoustimass module and the receiver are plugged in.
• For digital sound, be sure a coaxial or optical cable connects the digital output of the
DVD player with the digital input on your receiver.
• Be sure the audio source selected is correct. For example, select DVD audio on your
receiver to hear the DVD sound.
No surround sound • Make sure the source material contains surround sound.
• If you are using the Dolby Pro-Logic mode on your receiver, make sure surround sound
is turned on.
• Be sure the source material (DVD, laser disc, or broadcast programming) is Dolby Digital
encoded.
• Be sure your receiver is processing a signal from a Hi-Fi VCR, stereo TV, laserdisc, or
DVD player, or other surround sound source.
• If you are using digital programming, verify that the settings are correct at the receiver.
No bass • Be sure the speaker connections from the receiver to the amplifier are in the correct
phase, red collared wired to red jack (+ to +).
Not enough or too much
bass
• Move your Acoustimass module closer to a wall or corner to increase bass. Move it !
farther from a wall or corner to decrease bass.
• Adjust the LFE level or Room Compensation control.
Sound is distorted • Make sure your speaker wire is not damaged.
• Reduce the volume of external components connected to the receiver.
Customer service
For additional help in solving problems, contact the Bose Customer Service office appropri-
ate to your area. See the address list included in the carton.
Cleaning the speakers
The cabinets of your Acoustimass speaker system may be cleaned only with a soft dry cloth.
Do not use any sprays near the system or allow liquids to spill into any openings. Also, do not
use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or abrasives.
The grille assemblies on the cube arrays may be carefully vacuumed, if necessary. Please
note that the drivers are located directly behind the grille cloth and are easily damaged if !
reasonable care is not taken.