User's Manual

User’s Manual 4-31
Operating Basics
3. Do not write on, apply a sticker to, or otherwise mark the surface of the
CD/DVD that contains data.
4. Hold the CD/DVD by its outside edge or the edge on the center hole.
Fingerprints on the surface can prevent the drive from properly reading
data.
5. Do not expose to direct sunlight, extreme heat or cold. Do not place
heavy objects on your CD/DVD.
6. If your CD/DVD become dusty or dirty, wipe them with a clean dry
cloth. Wipe from the center out, do not wipe in a circular direction
around the CD/DVD. If necessary, use a cloth dampened in water or a
neutral cleaner. Do not use benzine, thinner or similar cleaner.
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 Speaker icon on the task tray.
2. Right-click the Speaker icon on the task tray.
3. Select Open Volume Mixer from the menu.
Adjust speaker volume by moving the slider up or down to raise or lower
the volume. Click the Mute Speakers 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 Sounds
System 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 Speaker icon on the task tray.
2. Select Sounds from the menu.