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2-11 Installation and Connection
In Classic View of Windows XP : Go to Control Panel - [Sound and Audio Devices], and select the <Audio> tab.
On Windows 7 : Go to Control Panel - [Sound], and select the <Playback> tab.
2. Specify the default device for sound playback:
You can select the PC speakers or projector speaker.
The aforementioned information may slightly differ from some PCs or versions of Windows.