Sony STR-DA1800ES Operating Instructions (Large File - 20.62 MB) - Page 44

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). • 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. Setting up the Auto Calibration Optimizer microphone Before you perform Auto Calibration 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). Example of using surround back speakers 44US