DSPeaker Anti-Mode 8033 cinema Manuel de l'utilisateur - Page 7
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2.2. Calibration
Press both buttons at the front panel and hold them for about three seconds. Make sure that
both of the buttons are pressed and held. After about three seconds the middle LED will
start flashing and calibration begins. You may now release the buttons and wait for the
automatic calibration to finish. The measurement program analyzes the room four times with
a frequency sweep.
During the calibration, the device will adjust the output level automatically. If the microphone
level in is too loud, it is automatically decreased. The calibration is quite robust, so it
tolerates certain amount of background noise, hence speech and small noises do not
distract the process. However, one should avoid making loud noises, especially near the
microphone.
2.3. After calibration
Once the last sweep is over, the calibration is finished. The results are stored in to the non
volatile memory inside the unit. The AntiMode 8033 is now fully functional and the
microphone can be detached, unless the user wishes to perform wider area calibration.
After calibration the subwoofer may sound more quiet than before. This is because the room
resonances have been suppressed. Typically, the subwoofer volume needs to be increased
slightly (310 dB).
If the A/V receiver supports speaker distances, you can add 90 cm to the subwoofer
distance relative to other speakers to compensate for the internal processing delay. This is
not absolutely necessary since the delay is small enough that the human auditory system
can generally not detect it. You can also use your A/V receiver's automatic functions to
determine the correct distance and level settings.
Attention! If for some reson only one sweep signal was generated during the calibration, both
buttons at the front panel were not pressed. In this case, the calibration process must be
reinitialized.
Whenever the placement of the subwoofer or listening position changes, the calibration
should be performed again to assure optimal result.
Rev. 1.6
A
M
8033
NTI
ODE
08.01.2010
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