Sony STR-DH810 - Manual (Page 35)

35 GB
Pre
p
ar
ing the
R
eceive
r
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)c)
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 42).
Before you perform Auto Calibration, check
the following items.
• Set up and connect the speakers (page 17,
19).
• Connect only the supplied optimizer
microphone to the AUTO CAL MIC jack.
Do not connect other microphones to this
jack.
• Set “SB ASSIGN” to “BI-AMP” in
SPEAKER menu if you use bi-amplifier
connection (page 71).
• Set “SB ASSIGN” to “SPK B” in
SPEAKER menu if you use speakers front B
connection (page 80).
• Pair the surround amplifier to S-AIR main
unit if you want to use surround amplifier.
• Make sure the speaker output is not set to
“SPK OFF” (page 34).
• Disconnect the headphones.
• Remove any obstacles in the path between
the optimizer microphone and the speakers
to avoid measurement errors.
• Make sure the environment is quiet to avoid
the effect of noise and get a more accurate
measurement.
• Select the seating position as position 1, 2 or
3 to save the Auto Calibration result (page
40).
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.
Before you perform Auto
Calibration