Sony STR-DA3200ES Operating Instructions Manual page 70

Therefore, even when using small speakers, you can
set them to "LARGE" if you want to output the bass
frequencies from that speaker. On the other hand, if
you are using a large speaker, but prefer not to have
bass frequencies output from that speaker, set it to
"SMALL."
If the overall sound level is lower than you prefer, set
all speakers to "LARGE." If there is not enough
bass, you can use the equalizer to boost the bass
levels. For details, see "Adjusting the equalizer (EQ
Settings menu)" (page 61).
x FRONT L
(Front left speaker distance)
x FRONT R
(Front right speaker distance)
Lets you set the distance from your listening
position to the front speakers (A).
If both front speakers are not placed an equal
distance from your listening position, set the
distance to the closest speaker.
With only one surround back
speaker
With two surround back speakers
(The angle B should be the same)
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GB
x CENTER
(Center speaker distance)
Lets you set the distance from your listening
position to the center speaker.
x SURROUND L
(Surround left speaker distance)
x SURROUND R
(Surround right speaker
distance)
Lets you set the distance from your listening
position to the surround speakers.
If both surround speakers are not placed an
equal distance from your listening position, set
the distance to the closest speaker.
x SUR BACK L
(Surround back left speaker
distance)
x SUR BACK R
(Surround back right speaker
distance)
Lets you set the distance from your listening
position to the surround back speaker.
If you connect two surround back speakers and
both surround back speakers are not placed an
equal distance from your listening position, set
the distance to the closest speaker.
x SUB WOOFER
(Sub woofer distance)
Lets you set the distance from your listening
position to the sub woofer.
Tips
• If you set up speakers using the auto calibration
function, you can adjust the speaker distance in 1
cm increment.
• The distance between the center speaker and the
listening position B cannot be more than 1.5
meters closer than the one between the listening
position and the front speaker A. Place the
speakers so that the difference in the length of B
in the following diagram is no more than 1.5 meters
closer than the length of A.
Example: Adjust the distance B to 4.5 meters or
more when the distance A is 6 meters.
Also, the distance between the surround speakers/
surround back speakers and the listening position