Satellite P750/P755 Series

Sound System

This section describes some of the audio control functions.Adjusting System Volume

You can control the overall level of sound using Windows Volume Mixer. To launch Volume Mixer, follow the steps below.

1.Right-click the Speakers icon on the task tray.2.Select Open Volume Mixer from the menu.

Click the Device button to display available playback devices. Select Speakers to use the internal speakers for listening. Adjust speaker volume

by moving the slider up or down to raise or lower the volume. Click the Mute button to mute the sound.

You may see another control under Applications in Volume Mixer. It is the

control for an application which is currently running. The System Sounds is always displayed since it controls the system sounds’ volume.

Changing System SoundsSystem sounds are assigned to inform you when certain events happen.

This section explains how select an existing scheme or save one you have modified.

To launch the configuration dialog window for system sounds, follow the steps below.

1.Right-click the Speakers icon on the task tray.

2.Select Sounds from the menu.

Realtek HD Audio Manager

You can confirm and change the audio configuration using the Realtek HD Audio Manager. To launch the Realtek HD Audio Manager, click Start -> Control Panel -> Hardware and Sound -> Realtek HD Audio Manager.

When you first launch the Realtek Audio Manager, you will see following device tabs. Speakers is the default output device. Microphone is the default input device. To change the default device, click the Set Default Device button under the chosen device tab.

■Speakers is the default output device. Select it when using the internal speakers or headphones.

■Digital Output should be selected when connecting the optical cable to the Headphone, S/PDIF and Line out jack for playing digital sound on digital audio equipment. Digital Output can only be used by connecting an optical audio cable.

User’s Manual

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