Pioneer SC-9540, Operating Instructions Manual

Page: 120 / 138

Additional information
13
120
en
Settings
Professional Calibration EQ graphical output
Symptom Remedy
The Auto MCACC Setu p
continually shows an e rr o r .
• The ambient noise level may be too high. Kee p the noise level in the r oom as low as p ossible (see
also Problems when using the Auto MCACC Setup on p age 44). If the noise level cannot be ke p t low
enough, you will have to set u p the su rr ound sound manually ( p age 108).
• When using only one su rr ound back s p eake r , connect it to the SURROUND BACK L (Single)
te r minals.
• To use a 5.1-channel s p eake r set, use the su rr ound s p eake r s fo r the su rr ound channel, not the
su rr ound back channel.
• Make su r e the r e a r e no obstacles between the s p eake r s and the mic r o p hone.
• If
Reverse Phase
is dis p layed, t r y the following:
– The s p eake r ’s wi r ing (+ and –) may be inve r ted. Check the s p eake r connections.
– If the s p eake r is not p ointed to the mic r o p hone (listening p osition) o r when using s p eake r s that
affect the p hase (di p ole s p eake r s, r eflective s p eake r s, etc.), it may not be p ossible to pr o p e r ly identify
the p ola r ity.
– De p ending on the ty p e of s p eake r s and thei r installation conditions, Reverse Phase may be
dis p layed even if the s p eake r s a r e pr o p e r ly connected. If this ha pp ens, select GO NEXT and continue.
Afte r using the Auto MCACC
Setu p , the s p eake r size setting
is inco rr ect.
• The r e may have been some low f r equency noise in the r oom f r om an ai r -conditione r , moto r , etc.
Switch off all othe r a pp liances in the r oom and use Auto MCACC Setu p again.
• De p ending on a numbe r of facto r s ( r oom size, s p eake r p lacement, etc.) this may occu r in some
cases. Change the s p eake r setting manually in Speaker Setting on p age 109, and use the ALL (Keep
SP System)
o p tion fo r the
Auto MCACC
menu in
Automatic MCACC (Expert)
on p age 96 if this is a
r ecu rr ing pr oblem.
Can’t adjust the Fine S p eake r
Distance setting ( p age 100)
pr o p e r ly.
• Check that the s p eake r s a r e all in p hase (make su r e the p ositive (+) and negative (–) te r minals a r e
matched u p pr o p e r ly).
The dis p lay shows KEY LOCK
ON when you t r y to make
settings.
• With the r eceive r in standby, pr ess

STANDBY/ON while holding down SPEAKERS to disable the
key lock.
Most r ecent settings have been
e r ased.
• The p owe r co r d was disconnected f r om the wall while adjusting this setting.
• Settings a r e only sto r ed if all the zones a r e tu r ned off. Tu r n off all the zones befo r e un p lugging the
p owe r co r d.
The va r ious system settings a r e
not sto r ed.
• Afte r all the zones have been tu r ned off, make su r e the blue  STANDBY/ON light has gone out
befo r e un p lugging.
Symptom Remedy
The EQ r es p onse dis p layed in
the g r a p hical out p ut following
calib r ation does not a pp ea r
enti r ely flat.
• The r e a r e cases whe r e the g r a p h does not a pp ea r flat (even when selecting
ALL CH ADJ
in the Auto
MCACC Setu p ) due to adjustments made to com p ensate fo r r oom cha r acte r istics to achieve o p timal
sound.
• A
r eas of the g r a p h may a pp ea r identical (befo r e and afte r ) when the r e is little o r no adjustment
needed.
• The g
r a p h may a pp ea r to have shifted ve r tically when com p a r ing befo r e and afte r measu r ements.
EQ adjustments made using
the
Manual MCACC setup
on
p age 98 do not a pp ea r to
change the g r a p hical out p ut.
• Des p ite level adjustments being made, the filte r s used fo r analysis may not dis p lay these
adjustments in the g r a p hical out p ut. Howeve r , these adjustments a r e taken this into account by the
filte r s dedicated to ove r all system calib r ation.
Lowe r f r equency r es p onse
cu r ves do not seem to have
been calib r ated fo r
SMALL
s p eake r s.
• Low f r equencies used in bass management (the subwoofe r channel) will not change fo r s p eake r s
that have been s p ecified as SMALL in the configu r ation, o r do not out p ut these f r equencies.
• Calib r ation is p e r fo r med, but due to you r s p eake r s’ low f r equency limitations, no measu r able
sound is out p ut fo r dis p lay.
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