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02\4428194122_USFR\US04GET_STR-DA1800ES-CEL.fm masterpage: Left
STR-DA1800ES
4-428-194-12(2)

Using AUTO

CALIBRATION

This receiver is equipped with DCAC (Digital
Cinema Auto Calibration) function which
allows you to perform automatic calibration as
follows:
• Check the connection between each speaker
and the receiver.
• Adjust the speaker level.
• Measure the distance of each speaker from
your seating position.1)
• Measure the speaker size.1)
• Measure the frequency characteristics
(EQ).1)
• Measure the frequency characteristics
(Phase).1)2)
1)The measurement result is not utilized when
“A. DIRECT” is selected.
2)The measurement result is not utilized when Dolby
TrueHD or DTS-HD signals with a sampling
frequency of more than 48 kHz are being received.
The DCAC is designed to achieve proper
sound balance for your room. However, you
can adjust the speaker levels manually
according to your preference. For details, see
“Test Tone” (page 100).
Before you perform Auto Calibration, check
the following items.
• Set up and connect the speakers (page 22,
24).
• Connect only the supplied optimizer
microphone to the AUTO CAL MIC jack.
Do not connect any other microphones to
this jack.
• Set the “SB Assign” to “BI-AMP” in the
Speaker Settings menu if you use
bi-amplifier connection (page 94).
• Set the “SB Assign” to “Speaker B” in the
Speaker Settings menu if you use speakers
front B connection (page 43).
• Make sure the speaker output is not set to
“SPK OFF” (page 43).
• Make sure that you are not using PARTY
STREAMING function (page 78).
• Disconnect the headphones.
• Remove any obstacles in the path between
the optimizer microphone and the speakers
to avoid measurement errors.
• Get accurate measurement by making sure
the environment is free from noise and quiet.
Notes
• The speakers emit very loud sound during the
calibration and the volume cannot be adjusted.
Provide consideration to your neighborhood and to
the children in presence.
• If the muting function has been activated before
you perform Auto Calibration, the muting function
will shut off automatically.
• The correct measurements may not be able to take
or Auto Calibration cannot be performed when
special speakers, such as dipole speakers are used.

Before you perform Auto

Calibration

Setting up the Auto Calibration

Optimizer microphone
Example of using surround back
speakers