Sony STR-DH770 Help Guide Printable PDF - Page 35

Before you perform Auto Calibration, Connecting the calibration microphone

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Auto Calibration 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. (*) Measure the speaker size. (*) Measure the frequency characteristics (EQ). (*) * The measurement result is not utilized when [DIRECT] is being used and an analog input is selected. Note The D.C.A.C. is designed to achieve proper sound balance for your room. However, you can adjust the speaker levels manually according to your preference using [] - [TEST TONE] in the [Speaker Settings] menu. [37] Preparation Performing Auto Calibration 2. Before you perform Auto Calibration Before you perform Auto Calibration, check the following items: Set up and connect the speakers. Do not connect any microphones other than the supplied calibration microphone to the CALIBRATION MIC jack. If using a bi-amplifier connection or a front B speaker connection, set the assignment for the SPEAKERS SURROUND BACK/BI-AMP/FRONT HIGH/FRONT B terminals properly. Set the speaker output to a setting other than [SPK OFF]. Disconnect the headphones. Remove any obstructions between the calibration microphone and the speakers. For accurate measurement, make sure the environment is quiet and free from noise. Note The speakers emit very loud sound during the calibration and the volume cannot be adjusted. Be considerate of your neighbors and any children who are present. If the muting function has been activated before you perform Auto Calibration, the muting function will shut off automatically. It may not be possible to take the correct measurements or to perform Auto Calibration at all if special speakers such as dipole speakers are used. [38] Preparation Performing Auto Calibration 3. Connecting the calibration microphone Calibration microphone (supplied) 1 Connect the supplied calibration microphone to the CALIBRATION MIC jack. 2 Set up the calibration microphone.

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Auto Calibration 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. (*)
Measure the speaker size. (*)
Measure the frequency characteristics (EQ). (*)
Note
The D.C.A.C. is designed to achieve proper sound balance for your room. However, you can adjust
the speaker levels manually according to your preference using [<LEVEL>] - [TEST TONE] in the
[Speaker Settings] menu.
[37] Preparation
Performing Auto Calibration
2. Before you perform Auto Calibration
Before you perform Auto Calibration, check the following items:
Set up and connect the speakers.
Do not connect any microphones other than the supplied calibration microphone to the
CALIBRATION MIC jack.
If using a bi-amplifier connection or a front B speaker connection, set the assignment for the
SPEAKERS SURROUND BACK/BI-AMP/FRONT HIGH/FRONT B terminals properly.
Set the speaker output to a setting other than [SPK OFF].
Disconnect the headphones.
Remove any obstructions between the calibration microphone and the speakers.
For accurate measurement, make sure the environment is quiet and free from noise.
Note
The speakers emit very loud sound during the calibration and the volume cannot be adjusted. Be
considerate of your neighbors and any children who are present.
If the muting function has been activated before you perform Auto Calibration, the muting function
will shut off automatically.
It may not be possible to take the correct measurements or to perform Auto Calibration at all if
special speakers such as dipole speakers are used.
[38] Preparation
Performing Auto Calibration
3. Connecting the calibration microphone
Calibration microphone (supplied)
The measurement result is not utilized when [DIRECT] is being used and an analog input is selected.
*
Connect the supplied calibration microphone to the CALIBRATION MIC jack.
1
Set up the calibration microphone.
2