Specifications

Adjustments Sound (750AV only) - 24
Sound (750AV only)
Before you make changes to the Sound window of Monitors &
Sound, choose Control Panels from the Apple menu. Open the
Sound control panel to select a sound input source, select a
sound output device, and adjust volume.
Refer to Chapter 3, “Using Sound and Video,” from the
user’s manual (a linked document) for more information.