Operation Manual

Sound System and Video mode
This section describes some of the audio control functions.
Volume Mixer
The Volume Mixer utility lets you control the audio volume for playback of
devices and applications under Windows.
To launch the Volume Mixer utility, right-click on the speaker icon on
the Windows taskbar, and then select Open Volume Mixer from the
sub menu.
To adjust the volume level of speakers or headphones, move the
Speakers slider.
To adjust the volume level of an application that you are using, move
the slider for the corresponding application.
Microphone Level
To change the microphone recording level, do the following:
1. Right-click on the speaker icon on the Windows taskbar, and select
Recording devices from the sub menu.
2. Select Microphone, and click Properties.
3. On the Levels tab, move the Microphone slider to increase or
decrease the microphone volume level.
If you feel the microphone volume level is inadequate, move the
Microphone Boost slider to a higher level.
Audio Enhancements
To apply the sound effects for your current speaker, do the following.
1. Right-click on the Speakers icon on the Windows taskbar, and then
select Playback devices from the sub menu.
2. Select Speakers, and click Properties.
3. On the Enhancements tab, select the sound effects you would like,
and click Apply.
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 Control Panel -> Hardware and Sound -> Realtek HD Audio
Manager under Windows System in All apps.
When you first launch the Realtek HD Audio Manager, you can see two
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.
User's Manual
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