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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 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 wire to red jack (+ to + and – 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 speaker wire is not damaged.
• Reduce the volume of external components connected to the receiver.