Pioneer VSX-21TXH User Guide

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The Advanced MCACC (Multi Channel ACoustic 
Calibration) system was developed in Pioneer’s 
laboratories with the aim of making it possible for home 
users to perform adjustments of the same level as in a 
studio easily and with high precision. The acoustic 
characteristics of the listening environment are 
measured and the frequency response is calibrated 
accordingly to allow high precision, automatic analysis 
and optimal calibration of the sound field to bring it 
closer to a studio environment than ever before. 
Furthermore, while it was previously difficult to eliminate 
standing waves, this receiver is equipped with a standing 
wave control function using a unique process to perform 
acoustic analysis and reduce their influence.

This section describes how to calibrate the sound field 
automatically and fine-adjust the sound field data 
manually.

 

 

Use 

 RECEIVER to switch on.

1

• If  headphones are connected to the receiver, 

disconnect them.

A Graphical User Interface (GUI) screen appears on your 
TV. Use 

/// and ENTER to navigate through the 

screens and select menu items. Press RETURN to 
confirm and exit the current menu.

• Press HOME MENU at any time to exit the HOME 

MENU.

• Full Auto MCACC – See Automatically setting up for 

surround sound (Auto MCACC) on page 41 for a quick 
and effective automatic surround setup.

• Auto MCACC – See Automatic MCACC (Expert) on 

page 78 for a more detailed MCACC setup.

• Manual MCACC – Fine-tunes your speaker settings 

and customize the Acoustic Calibration EQ (see 
Manual MCACC setup on page 80).

• Demo – No settings are saved and no errors occur. 

When the speakers are connected to this receiver, 
the test tone is output repeatedly. Press RETURN to 
cancel the test tone.

1 Make  sure not to switch off the power when using the HOME MENU.
2 • You can’t use the HOME MENU when the iPod/USB, XM or SIRIUS Radio input function is selected (in either the main or sub zone). 

• VSX-23TXH: When you set ZONE 2, ZONE 3 or ZONE 2&3 to ON (page 69), you can’t use the HOME MENU.
• VSX-21TXH: When you set ZONE 2 to ON (page 69), you can’t use the HOME MENU.

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