User’s Manual
3-27
NB500/NB505/NB520/NB525/NB550D/NB555D 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. Locate the
Speakers
icon on the task tray.
2. Right-click the
Speakers
icon on the task tray.
3. Select
Open Volume Mixer
from the menu.
Adjust speaker volume by moving the slider up or down under
Device
to
raise or lower the volume of your speakers. Click the
Mute
button to mute
the volume.
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 Sounds
System sounds are assigned to inform you when certain events happen.
This section explains how to 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 Taskbar.
2. Select
Sounds
from the menu.
Adjusting Microphone Level
Follow the steps below to change the microphone recording level.
1. Right click on the speaker icon on the 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
In order to apply the sound effects for your current speaker, follow the steps
below.
1. Right click on the speaker icon on the Taskbar, and select
Playback
devices
from the sub menu.
2. Select
Speakers
, and click
Properties
.