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4-46 User’s Manual
PORTÉGÉ M780
5. Never use a pencil for writing on a floppy diskette label as the dust from
the pencil lead could cause a system malfunction if it found its way onto
the computer’s components. In this instance, always use a felt-tipped
pen and write the label first before applying it to the floppy diskette.
6. Never put a floppy diskette in a location where water or other liquid may
make contact with it, or where it is excessively damp - either of these
conditions could cause data loss.
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.
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
Taskbar, and 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
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.