Pioneer VSX-53TX manual it isn’t use the  buttons to select it

Setting Up for Surround Sound
1	SPEAKER SETTING should be selected. If
	it isn’t use the  buttons to select it.
	Press the ENTER button.
	The setup possibilities appear on your TV.
2	With the  buttons choose the
1-5	speakers that you want to set. Press the
	ENTER button.
	The setup possibilities appear on your TV.
3	Use the  buttons to choose the
	number (YES or NO, X1 or X2) and the
	size (LARGE or SMALL) for each set of
	speakers. Press ENTER.
	PLUS is also a possibility for the SUBWOOFER.

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4Repeat steps 2 and 3 for all speakers channels.

5Use the  buttons to select EXIT and

press ENTER.

Next, proceed to CHANNEL LEVEL below.

If you want to change a setting before proceeding start over from step 1.

	Memo:
	If you have a subwoofer and like lots of bass, it may seem logical
	to select LARGE for your front speakers and leave the subwoofer
(THX Speaker:SMALL)	selected. This may not, however, yield the best bass results.
	Depending on the size and shape of your room you may actually
3	experience a decrease in the amount of bass due to what is
	called low frequency cancellations. If you have a subwoofer, listen
	to the bass response with the front speakers set to LARGE and
	SMALL alternately and let your ears judge which sounds best.
	The safest option is to route all the bass sounds to the subwoofer
	by selecting SMALL for the front speakers.
(THX Speaker:SMALL)

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