Bose 20 Fine-tuning your system, Adjusting speaker controls, Compensating for room acoustics

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Operating Your Lifestyle® 20 Music System

Fine-tuning your system

In most situations, following the speaker placement guidelines (see page 6) for your Lifestyle® 20 music system provides excellent sound quality.

You do not need to adjust tone settings for changes in volume, since Bose® patented signal processing technology provides a natural tonal balance over the full range of volume settings.

If desired, you can further fine-tune your system as described below.

Adjusting speaker controls

The Lifestyle® 20 music system TREBLE and BASS controls are located on the Acoustimass® module (Figure 24). They allow you to adjust the treble (high frequencies) and bass (low frequencies). In the normal setting, the dots on each control are in the 12 o’clock position. You can also locate the normal setting by feeling when the control settles into the notch at this position. Turn the controls clockwise to increase, and counterclockwise to decrease, the amount of treble or bass.

Compensating for room acoustics

The acoustics (sound qualities) of your room can affect the overall sound quality of any speaker system. In general, you can reduce many problems with acoustics by the cautious use of the TREBLE and BASS controls.

Too much or too little treble

Rooms with too few sound-absorbing furnishings, especially those with bare floors and walls, may sound overly shrill or “bright.” Turning down the treble control (toward –) decreases treble sound.

Rooms with a lot of sound-absorbing furnishings, such as upholstered furniture, wall-to-wall carpet, or heavy drapes, may reduce the treble sound of your system. Moving speakers further away from soft furnishings increases treble. You can increase treble sound by slightly turning up the treble control (toward +).

Too much or too little bass

You can decrease bass sound by turning down the bass control (toward –). To increase bass, turn up the bass control (toward +).

Acoustimass module placement affects the amount of bass you hear. Placing the module closer to the corner of the room will increase bass. Moving the module away from the corner will decrease bass.

Figure 24

Bass and treble controls

Treble

Bass

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October 29, 2001

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Contents Bose Lifestyle 20 Music System Additional safety information Class 1 laser productClass B emissions limits BatteriesInformation about products that generate electrical noise Antenna grounding Where to find… For your recordsBefore you begin Unpack the carton Select the locations for your Lifestyle 20 music system Jewel Cube speakersAcoustimass module Music centerConnect the speakers and Lifestyle music center Speaker cable connection to the Jewel Cube speakerOther connections Video componentsTape deck Additional CD player or changerAM antenna connections Connect the antennasFM antenna connections Set up the remote control Set radio channel spacing on dual voltage systemsAdjusting the volume Listening to your Lifestyle 20 music systemMusic center display Turning the system onFunction Remote control Music center System controlsLifestyle 20 remote control Other music center controlsUsing the CD changer Listening to compact discsLoading discs into the CD magazine Ejecting discs from the CD magazineTurning the system on and choosing the CD player CD operationsEjecting the CD magazine from the music center If you want to PressTurning the system on and choosing the radio TuningListening to the radio Using the system with external components Using a video sound sourceUsing a tape deck Using headphonesFine-tuning your system Adjusting speaker controlsCompensating for room acoustics Too much or too little trebleUsing two listening zones Setting up two zonesSetting a second remote for zone How zones workControlling the zones from the remote controls Operating two listening zonesControlling the zones from the music center control panel ZoneChanging the house code settings Troubleshooting Problem What to doTransporting your music center Warranty periodCustomer service Cleaning the music center Cleaning the speakersTaking care of your Lifestyle 20 music system Handling CDsAccessories Technical informationIndex October 29 Canada European OfficeAustralia Belgique/België
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