Pioneer VSX-21TXH User Guide

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If your setup requires more detailed settings than those 
provided in Automatically setting up for surround sound 
(Auto MCACC) on page 41, you can customize your setup 
options below. You can calibrate your system differently 
for up to six different MCACC presets

1

, which are useful 

if you have different listening positions depending on the 
type of source (for example, watching movies from a sofa, 
or playing a video game close to the TV).

2

• Make  sure the microphone/speakers are not moved 

during the Auto MCACC Setup.

• Using the Auto MCACC Setup will overwrite any 

existing settings for the MCACC preset you select.

3

• The  screen saver will automatically appear after five 

minutes of inactivity.

• The test tones used in the Auto MCACC Setup are 

output at high volume.

THX is a trademark of THX Ltd., which may be registered 
in some jurisdictions. All rights reserved.

menu, then press ENTER.
If the Advanced MCACC screen is not displayed, refer to 
Making receiver settings from the Advanced MCACC menu 
on page 77.

 

Use 

/ to select the item, then use / to set.

 

• Auto MCACC – The default is ALL (recommended), 

but you can limit the system calibration to only one 
setting (to save time) if you want.

4

 The available 

options are ALL, Keep SP System,

5

 Speaker 

Setting, Channel Level, Speaker Distance and EQ 
Pro & S-Wave.

• EQ Type (only available when the Auto MCACC 

EQ Pro & S-Wave) – This determines 

how the frequency balance is adjusted.

After a single calibration is performed, each of the 
following three correction curves can be stored 
separately in the MCACC memory. SYMMETRY (default) 
implements symmetric correction for each pair of left 
and right speakers to flatten the frequency-amplitude 
characteristics. ALL CH ADJ is a ‘flat’ setting where all 
the speakers are set individually so no special weighting 
is given to any one channel. FRONT ALIGN

6

 sets all 

speakers in accordance with the front speaker settings 
(no equalization is applied to the front left and right 
channels).

• THX Speaker (only available when the Auto MCACC 

ALL or Speaker Setting) – Select YES 

if you are using THX speakers (set all speakers to 
SMALL), otherwise leave it set to NO.

• STAND.WAVE Multi-Point (only available when the 

Auto MCACC Menu above is EQ Pro & S-Wave) – In 
addition to measurements at the listening position, 
you can use two more reference points for which test 
tones will be analyzed for standing waves. This is 
useful if you want to get a balanced ‘flat’ calibration 
for several seating positions in your listening area.

7

 

Place the microphone at the reference point 
indicated on-screen and note the last microphone 
placement will be at your main listening position:

1 These are stored in memory and referred to as MEMORY1 to MEMORY6 until you rename them in Data Management on page 88.
2 You may also want to have separate calibration settings for the same listening position, depending on how you’re using your system.
3 Except in cases where you are only adjusting one parameter (i.e. channel level) from the Auto MCACC menu (step 2).

4 •  The  EQ Pro & S-Wave measurement is also taken when Keep SP System or EQ Pro & S-Wave is selected. See Acoustic Calibration EQ 

Professional on page 83 for more on this.
• Either effect of Acoustic Calibration EQ Professional and Standing Wave can be switched on and off in the respective MCACC preset. For 
details, see Setting the Audio options on page 66.

5 The Keep SP System option allows you to calibrate your system while leaving your current speaker setting (page 91) unchanged.
6 If you selected ALL as your Auto MCACC menu, you can specify the MCACC preset where you want to save the ALL CH ADJ and FRONT 

ALIGN settings.

7 Switch the Multi-Point setting NO if you only use one listening position.

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