Bedienungsanleitung Pioneer VSX-1123-K (Seite 80 von 113) (Englisch)

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The Advanced MCACC menu

Use k/l to select the frequency and i/j to boost or cut the EQ. When you’re finished, go back to the top of

the screen and press k to return to Ch, then use i/j to select the channel.

! The OVER! indicator shows in the display if the frequency adjustment is too drastic and might distort. If this

happens, bring the level down until OVER! disappears from the display.

3 When you’re finished, press RETURN.

You will return to the Manual MCACC setup menu.

Note

Changing the frequency curve of one channel too drastically will affect the overall balance. If the speaker balance

seems uneven, you can raise or lower channel levels using test tones with the TRIM feature. Use k/l to select

TRIM, then use i/j to raise or lower the channel level for the current speaker.

Acoustic Calibration EQ Professional

This setup minimizes the unwanted effects of room reverberation by allowing you to calibrate your system based

on the direct sound coming from the speakers.

Performing the Acoustic Calibration EQ Professional procedure is effective when the lower frequencies seem

overly reverberant in your listening room (i.e. it sounds ‘boomy’) as shown at Type A below, or when different

channels seem to exhibit different reverb characteristics as shown at Type B.

! Type A: Reverberance of high vs. low frequencies

Level

Acoustic Cal. EQ Pro.

calibration range

Low frequencies

High frequencies

Conventional MCACC

EQ calibration range

Time

(in msec)

160

! Type B: Reverb characteristics for different channels

Level

160

Time

(in msec)

Front L

Front R

Acoustic Cal. EQ Pro.

calibration range

Conventional MCACC

EQ calibration range

Using Acoustic Calibration EQ Professional

1 Select ‘EQ Professional’, then press ENTER.

2 Select an option and press ENTER.

! Reverb Measurement – Use this to measure the reverb characteristics before and after calibration.

! Reverb View – You can check the reverb measurements made for specified frequency ranges in each

channel.

— If the Reverb View procedure is performed after the Automatically conducting optimum sound tuning

(Full Auto MCACC) on page 36 or Reverb Measurement operation, depending on the standing wave

control setting, differences may appear on the reverb graph. With the Auto MCACC function, the rever-

berations are measured with the standing waves controlled, so the reverb characteristics graph shows the

characteristics with the effect of the standing waves eliminated. By contrast, the Reverb Measurement

function measures the reverberations without controlling the standing waves, so the graph indi-

cates the reverb characteristics including the effect of the standing waves. If you wish to check the

reverb characteristics of the room itself (with the standing waves as such), we recommend using the

Reverb Measurement function.

! Advanced EQ Setup – Use this to select the time period that will be used for frequency adjustment and

calibration, based on the reverb measurement of your listening area. Note that customizing system calibra-

tion using this setup will alter the settings you made in Automatically conducting optimum sound tuning (Full

Auto MCACC) on page 36 or Automatic MCACC (Expert) on page 77 and is not necessary if you’re satisfied

with these settings.

3 If you selected ‘Reverb Measurement’, select EQ ON or EQ OFF, and then START.

The following options determine how the reverb characteristics of your listening area are displayed in

Reverb View:

! EQ OFF – You will see the reverb characteristics of your listening area without the equalization performed by

this receiver (before calibration).

! EQ ON – You will see the reverb characteristics of your listening area with the equalization performed by this

receiver (after calibration). Note that the EQ response may not appear entirely flat due to adjustments neces-

sary for your listening area.

— The calibration corresponding to the currently selected MCACC preset will be used when EQ ON is

selected. To use another MCACC preset, press MCACC to select the MCACC memory you want to store.

— After auto calibration with EQ Type : SYMMETRY (Full Auto MCACC, etc.), the graph for the inferred

reverb characteristics can be displayed by selecting Reverb View. To display the actually measured

reverb characteristics after EQ calibration, measure with EQ ON.

When the reverb measurement is finished, you can select Reverb View to see the results on-screen. See

Professional Calibration EQ graphical output on page 95 for troubleshooting information.

4 If you selected ‘Reverb View’, you can check the reverb characteristics for each channel.

Press RETURN when you’re done.

The reverb characteristics are displayed when the Full Auto MCACC or Reverb Measurement measurements

are conducted.

Use k/l to select the channel, frequency and calibration setting you want to check. Use i/j to go back and

forth between the three. The reverb characteristics graph before and after EQ calibration can be displayed by

selecting Calibration : Before / After. Note that the markers on the vertical axis indicate decibels in 2 dB steps.

5 If ‘Advanced EQ Setup’ is selected, select the MCACC memory to be stored, then enter the

desired time setting for calibration, and then select START.

! To specify the place where the MCACC memory is to be stored, press MCACC to select the MCACC memory

you want to store.

Based on the reverb measurement above, you can choose the time period that will be used for the final frequency

adjustment and calibration. Even though you can make this setting without reverb measurement, it is best to use

the measurement results as a reference for your time setting. For an optimal system calibration based on the

direct sound coming from the speakers, we recommend using the 30-50ms setting.

Use k/l to select the setting. Use i/j to switch between them.

Select the setting from the following time periods (in milliseconds): 0-20ms, 10-30ms, 20-40ms, 30-50ms,

40-60ms, 50-70ms and 60-80ms. This setting will be applied to all channels during calibration.

When you’re finished, select START. It will take about 2 to 4 minutes for the calibration to finish.

After the Acoustic Calibration Equalization is set, you are given the option to check the settings on-screen.

Pioneer VSX-1123-K Seite 80

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