L550/L550D/L555/L555D

7.Never use a wet or damp floppy diskette - this could damage the floppy diskette drive or other devices within the computer.

8.Data may be lost if the floppy diskette is twisted, bent, or exposed to direct sunlight, extreme heat or cold.

9.Do not place heavy objects on your floppy diskettes.

10.Do not eat, smoke, or use items such as erasers near your floppy diskettes as foreign particles inside the jacket of the floppy diskette can damage the magnetic surface.

11.Magnetic energy can destroy the data on your floppy diskettes. In view of this you should keep your floppy diskettes away from speakers, radios, televisions and other sources of magnetic fields.

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.

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 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.

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User’s Manual