Pioneer VSX-21TXH ユーザーガイド

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• Reverb Measurement – Use this to measure the 

reverb characteristics before and after calibration. 
(For graphical output using a PC, see Connecting a 
PC for Advanced MCACC output on page 36 to 
connect an RS-232C cable before selecting this 
option.)

• Reverb View – You can check the reverb 

measurements made for specified frequency ranges 
in each channel.

1

 This can also be used to compare 

the reverb characteristics before and after 
calibration.

2

• 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 
calibration using this setup will alter the settings you 
made in Automatically setting up for surround sound 
(Auto MCACC) on page 41 or Automatic MCACC 
(Expert) on page 78 and is not necessary if you’re 
satisfied with these settings.

The following options determine how the reverb 
characteristics of your listening area are displayed in 
Reverb View and Output PC (see Connecting a PC for 
Advanced MCACC output on page 36):

• 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).

3

 Note that the EQ 

response may not appear entirely flat due to 
adjustments necessary for your listening area.

4

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 102 
for troubleshooting information.

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

5

Use 

/ to select the channel, frequency and 

calibration setting you want to check. Use 

/ 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.

6

 

Note that the markers on the vertical axis indicate 
decibels in 2 dB steps.

1 If  the  Reverb View procedure is performed after the Automatically setting up for surround sound (Auto MCACC) on page 41 or Reverb 

Measurement operation, depending on the standing wave control setting, differences may appear on the reverb graph. With the Auto MCACC 
function, the reverberations 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 indicates 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.

2 The reverb characteristics after calibration can be displayed even after performing the Full Auto MCACC function (Automatically setting up 

for surround sound (Auto MCACC) on page 41). In this case, the display shows the predicted reverb characteristics after calibration. If the 
measurements are taken using the Reverb Measurement command (page 85) with the equalizer on, the actually measured reverb 
characteristics after calibration are displayed.

3 • The calibration corresponding to the currently selected MCACC preset will be used when EQ ON is selected. To use another MCACC preset, 

exit the HOME MENU and press MCACC to select it before pressing HOME MENU.
• The predicted reverb characteristics after calibration can be acquired with the Full Auto MCACC function (Automatically setting up for 
surround sound (Auto MCACC) on page 41), but here the actually measured reverb characteristics after calibration can be acquired.

4 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.

5 The After display when measurements have been made using the Full Auto MCACC or Auto MCACC (ALL) function shows the graph for the 

inferred reverb characteristics after EQ Type : SYMMETRY calibration.

6 The reverb characteristics graph is overwritten each time the reverberations are measured. No Data is displayed if there is no reverb 

characteristic data, for example before measurements have been taken.

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