Pioneer VSX-1125-k, Operating Instructions Manual

Page: 76 / 112

The Advanced MCACC menu 10
76
En
•
Standing Wave
– Cont r ol ove r ly r esonant low
f r equencies in you r listening r oom (see
Standing
Wave
on p age 76).
The last two settings a r e s p ecifically fo r customizing the
p a r amete r s ex p lained in Acoustic Calibration EQ Adjust
on p age 77:
• EQ Adjust – Manually adjust the f r equency balance
of you r s p eake r system while listening to test tones
(see
Acoustic Calibration EQ Adjust
on p age 77).
•
EQ Professional
– Calib r ate you r system based on
the di r ect sound coming f r om the s p eake r s and make
detailed settings acco r ding to you r r oom’s r eve r b
cha r acte r istics (see
Acoustic Calibration EQ
Professional
on p age 77).
Fine Channel Level
• Default setting:
0.0dB
(all channels)
You can achieve bette r su rr ound sound by pr o p e r ly
adjusting the ove r all balance of you r s p eake r system. You
can adjust the Channel Level of each s p eake r in 0.5 dB
inc r ements. The following setting can hel p you make
detailed adjustments that you may not achieve using the
Manual speaker setup on p age 82.
1 Select ‘Fine Channel Level’ from the Manual
MCACC setup menu.
The volume inc r eases to the 0.0 dB r efe r ence level.
2 Adjust the level of the left channel.
This will be the r efe r ence s p eake r level, so you may want
to kee p the level a r ound 0.0dB so that you’ll have p lenty
of r oom to adjust the othe r s p eake r levels.
• Afte r pr essing ENTER , test tones will be out p ut.
3 Select each channel in turn and adjust the levels (+/
–12.0 dB) as necessary.
Use
/
to adjust the volume of the s p eake r you
selected to match the r efe r ence s p eake r . When it sounds
like both tones a r e the same volume, pr ess

to confi r m
and continue to the next channel.
• Fo r com p a r ison p u rp oses, the r efe r ence s p eake r will
change de p ending on which s p eake r you select.
• If you want to go back and adjust a channel, sim p ly
use
/
to select it.
4 When you’re finished, press RETURN.
You will r etu r n to the
Manual MCACC
setu p menu.
Fine Speaker Distance
• Default setting:
10’00”
(all s p eake r s)
Fo r pr o p e r sound de p th and se p a r ation with you r system,
it is necessa r y to add a slight bit of delay to some
s p eake r s so that all sounds will a rr ive at the listening
p osition at the same time. You can adjust the distance of
each s p eake r in half inch inc r ements. The following
setting can hel p you make detailed adjustments that you
may not achieve using the Manual speaker setup on
p age 82.
1 Select ‘Fine SP Distance’ from the Manual MCACC
setup menu.
2 Adjust the distance of the left channel from the
listening position.
3 Select each channel in turn and adjust the distance
as necessary.
Use
/
to adjust the delay of the s p eake r you selected
to match the r efe r ence s p eake r .
Listen to the r efe r ence s p eake r and use it to measu r e the
ta r get channel. F r om the listening p osition, face the two
s p eake r s with you r a r ms outst r etched p ointing at each
s p eake r . T r y to make the two tones sound as if they a r e
a rr iving simultaneously at a p osition slightly in f r ont of
you and between you r a r m s p an.
1
When it sounds like the delay settings a r e matched u p ,
pr ess

to confi r m and continue to the next channel.
• Fo r com p a r ison p u rp oses, the r efe r ence s p eake r will
change de p ending on which s p eake r you select.
• If you want to go back and adjust a channel, sim p ly
use
/
to select it.
4 When you’re finished, press RETURN.
You will r etu r n to the Manual MCACC setu p menu.
Standing Wave
• Default setting: ON
2
/ ATT 0.0dB (all filte r s)
Acoustic standing waves occu r when, unde r ce r tain
conditions, sound waves f r om you r s p eake r system
r esonate mutually with sound waves r eflected off the
walls in you r listening a r ea. This can have a negative
effect on the ove r all sound, es p ecially at ce r tain lowe r
f r equencies. De p ending on s p eake r p lacement, you r
listening p osition, and ultimately the sha p e of you r r oom,
Note
1 • If you can’t seem to achieve this by adjusting the distance setting, you may need to change the angle of you r s p eake r s ve r y slightly.
• Fo r bette r audibility, the subwoofe r emits a continuous test tone (oscillating p ulses a r e hea r d f r om you r othe r s p eake r s). Note that it may be
difficult to com p a r e this tone with the othe r s p eake r s in you r setu p (de p ending on the low f r equency r es p onse of the r efe r ence s p eake r ).
2 You can switch on o r off the Standing Wave and Acoustic Calib r ation EQ featu r e in the AUDIO PARAMETER menu. See
Setting the Audio
options
on p age 59 fo r mo r e on this.
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