Calibrating
the
appropriate
speaker
settings
automatically
(AUTO
CALIBRATION)
This receiver is equipped with
DCAC
(Digital
Cinema
Auto Calibration)
Technology
which
allows you to perform automatic calibration as
follows:
•
Check
the connection between
each
speaker
and the receiver.
a
)
•
Adjust
the speaker level.
• Measure the distance
of
each
speaker
from
your listening position.a)b)
• Measure the speaker size.
a
)
• Measure the speaker polarity.
•
Measure
the frequency characteristics.a)e)
a)The
measurement
result is not utilized
when
Analog
Direct
is
selected.
b)The
measurement
result is not utilized
when
signals with a sampling frequency
of
more
than
96
kHz
are being received.
C)The
measurement
result
is
not utilized
when
signals with a
sampling
frequency
of
more
than
48
kHz
are being received.
The
DCAC
is designed to obtain proper
sound
balance in
your
room. However, you can
adjust the speaker levels manually according
to
your
preference. For details, see
"Adjusting
the speaker levels
(TEST
TONE)"
(page 40).
34
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Before you perform Auto Calibration, check
the following items:
• set
up
and connect the speakers (page
16,
19).
• connect only the supplied optimizer
microphone to the
AUTO
CAL
MIC
jack.
Do not connect
other
microphones
to
this
jack.
• set
"S8
ASGN" to
"BI-AMP"
in
SPEAKER
menu
if
you use bi-amplifier connection
(page 79).
• set
"S8
ASGN"
to
"SPK
B"
in
SPEAKER
menu
if
you use speakers front B connection
(page 79).
• pair the surround amplifier to
S-AIR
main
unit
if
you want to use surround amplifier.
• speaker output is not set to
"SPK
OFF".
• disconnect the headphones.
• remove any obstacles in the path
between
the optimizer
microphone
and the speakers
to avoid
measurement
error.
• make sure the
environment
is quiet to avoid
the effect
of
noise and
get
a more accurate
measurement.
• select the seating position as position
I,
2 or
3 to save the Auto Calibration result (page
39).
Notes
• During the calibration. the
sound
that
comes
out
of
the speakers is very loud.
The
volume
of
the
sound
cannot
be adjusted. Pay attention to the
presence
of
children
or
to the effect on
your
neighborhood.
•
If
the muting function
has
been
activated before
you perform
Auto
Calibration.
the muting function
will be set to
off
automatically.
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