Sony STR-DN1050 Help Manual page 117

Help Guide
MULTI CHANNEL AV RECEIVER
STR-DN1050/STR-DN850
Calibrating the phase characteristics of the speakers (A.P.M. (Automatic Phase Matching))
You can set the A.P.M. (Automatic Phase Matching) function in the D.C.A.C. (Digital Cinema Auto Calibration). This
calibrates the phase characteristics of the speakers for well-coordinated surround sound.
1. Select [Settings] - [Speaker Settings] from the home menu.
2. Select [Automatic Phase Matching].
3. Select the setting you want.
Auto: Switches the A.P.M. function on or off automatically.
Off
Note
This function does not work in the following cases:
[2ch Analog Direct] is being used.
Headphones are connected.
[Auto Calibration] has not been performed.
The receiver may play signals at a lower sampling frequency than the actual sampling frequency of the input signals,
depending on the audio format.
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