Bose 29275 소유자 매뉴얼 - 페이지 11

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Figure 9

Audio adjustment knobs

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With system connections completed and the module plugged in, your Acoustimass

is now ready for use.

You may want to familiarize yourself with the controls and built-in protections that adjust !

the audio of this system (Figure 9). They offer options to suit your particular style of use and !

preferences.

CAUTION: This system provides an automatic protection circuit to help guard against damage

from electrical stresses and overload of the system. At high volume levels, the circuit activates to

reduce output, which slightly decreases the volume. If you notice this decrease, be aware that

your system is functioning as designed. This volume reduction also indicates that power input

to the system may exceed safe levels. Sustained listening at these levels is not recommended.

After placing the Acoustimass module where you want it, you can fine-tune it for that !

location. Make this adjustment only as necessary.

For example:

• If the system performance is "thin" or lacks bass, turn the BASS control (shown above)

clockwise to increase the low-frequency output of the module.

• If the audio is "boomy" or overemphasizes bass, turn the knob counter-clockwise !

to reduce the low-frequency output of the module.

The setting made at the factory is meant for use in the most common room arrangements.

The LFE level control (shown above) is for use only with receivers that provide an LFE/SUB-

WOOFER channel.

By turning the knob, you can adjust the relative level of the low-frequency effects from movie

soundtracks. Use it to match the volume level of the LFE channel with volume levels of your

other speaker channels.

You can check all levels by using the "test tones" feature on your digital surround sound

receiver. For details on using this feature, refer to the owner's guide provided with your !

surround receiver.

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