8 Chapter 4: Audio CenterENGLISHCounterclockwise. Click to rotate all speakers, except the Subwoofer,counterclockwise.Clockwise. Click to rotate all speakers, except the Subwoofer, clockwise.Manual Rotation. Manually drag and rotate all speakers, except the Subwoofer.Manual Drag Mode. This is the default mode that allows you to manually drag eachspeaker or the listener with your mouse.Dolby Pro-Logic IIxDolby Pro-Logic IIx is a 7.1 surround upmixing technology and is widely used in home theatersystems, TVs, game consoles, and car audio systems. It can expand stereo audio, such as MP, CD,and TV programs into immersive 5.1 or 7.1-channel surround.Dolby Pro-Logic IIx. Tick this checkbox to enable Dolby Pro-Logic IIx. Click the textbarto switch the right window to the Pro-Logic IIx page for manual adjustments.Center Width. This parameter is used to set the spread of the center, mainly for thevocal signals of songs and music. Drag the scroll bar to the left to centralize the vocalsignal. Drag to the right side to widen the vocal sound range.Reset. Resets all Speaker settings to the default settings.Dimension. The dimension parameter fades sounds to the front or rear of the listener..