Pioneer VSX-21TXH User Guide

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• If you see an ERR message (or the speaker 

configuration displayed isn’t correct), there may be a 
problem with the speaker connection.
If selecting RETRY doesn’t work, turn off the power 
and check the speaker connections. If there doesn’t 
seem to be a problem, you can simply use 

/ to 

select the speaker and 

/ to change the setting 

and continue. 

• If Reverse Phase is displayed, the speaker’s wiring 

(+ and –) may be inverted. Check the speaker 
connections.

1

– 

If the connections were wrong, turn off the power, 

disconnect the power cord, then reconnect properly. 
After this, perform the Full Auto MCACC procedure 
again.
– If the connections were right, select GO NEXT and 

continue.

A progress report is displayed on-screen while the 
receiver outputs more test tones to determine the 
optimum receiver settings for channel level, speaker 
distance, and Acoustic Calibration EQ.

 

Again, try to be as quiet as possible while this is 
happening. It may take 3 to 7 minutes.

• If  you  selected  a  STAND.WAVE Multi-Point setup 

(in step 2), you will be asked to place the mic at the 
2nd and 3rd reference points before finally placing it 
at your main listening position.

the Advanced MCACC menu reappears automatically.
The settings made in the Auto MCACC Setup should give 
you excellent surround sound from your system, but it is 
also possible to adjust these settings manually using the 
Manual MCACC setup menu (starting below) or Manual 
SP Setup menu (starting on page 90).

2

You can also choose to view the settings by selecting 
individual parameters from the MCACC Data Check 
screen:

• Speaker Setting – The size and number of speakers 

you’ve connected (see page 91 for more on this)

• Channel Level – The overall balance of your speaker 

system (see page 81 or 92 for more on this)

• Speaker Distance – The distance of your speakers 

from the listening position (see page 82 or 93 for 
more on this)

3

• Standing Wave – Filter settings to control lower 

‘boomy’ frequencies (see page 82 for more on this)

• Acoustic Cal EQ – Adjustments to the frequency 

balance of your speaker system based on the 
acoustic characteristics of your room (see page 83 
for more on this)

• Output PC – The data transfer mode with the 

connected computer is set. The graphs of the reverb 
characteristics before and after calibration and the 
various MCACC parameters can be checked (see 
Output PC on page 88 for more on this).

Press RETURN after you have finished checking each 
screen. When you’re finished, select RETURN to go back 
to the HOME MENU.

Be sure to disconnect the microphone from this receiver 
upon completion of the Auto MCACC Setup.

You can use the settings in the Manual MCACC setup 
menu to make detailed adjustments when you’re more 
familiar with the system. Before making these settings, 
you should have already completed Automatically setting 
up for surround sound (Auto MCACC) on page 41.

You only need to make these settings once (unless you 
change the placement of your current speaker system or 
add new speakers).

• The test tones used in the Manual MCACC setup are 

output at high volume.

1 If  the  speaker is not pointed to the microphone (listening position) or when using speakers that affect the phase (dipole speakers, reflective 

speakers, etc.), Reverse Phase may be displayed even if the speakers are properly connected.

2 •  Depending on the characteristics of your room, sometimes identical speakers with cone sizes of around 12 cm will end up with different size 

settings. You can correct the setting manually using the Manual speaker setup on page 90.
• The subwoofer distance setting may be farther than the actual distance from the listening position. This setting should be accurate (taking 
delay and room characteristics into account) and generally does not need to be changed.
• If Auto MCACC Setup measurement results are incorrect due to the interaction of the speakers and viewing environment, we recommend 
adjusting the settings manually.

3 Since the distance measurements have been set according to the sound characteristics of your speakers, there are cases where (for optimal 

surround sound) the actual distance may differ from the speaker distance setting.

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