User’s Manual 4-12
Operating Basics
Sound system
This section describes some of the audio control functions, including sound
levels.
Volume Control
The Volume Control utility lets you control the audio volume under
Windows for both playback and recording.
■ To launch the Volume Control for Playback utility, click start followed by
All Programs followed by Accessories followed by Entertainment
and then click Volume Control.
■ To launch the Recording Control utility, click Options followed by
Properties, choose Realtek HD Audio input and then click OK.
■ To view details of the volume control utility, click Help.
Modem
This section describes how to connect and disconnect the internal modem
to and from a telephone jack.
Click the icon with the secondary mouse button to display the properties
menu on the screen.
Region selection
Telecommunication regulations vary from one region to another, so you will
need to make sure the internal modem’s settings are correct for the region
in which it will be used.
■ Connection to any communication line other than an analog phone line
could cause a computer system failure.
■ Connect the built-in modem only to ordinary analog phone lines.
■ Never connect the built-in modem to a digital line (ISDN).
■ Never connect the built-in modem to the digital connector on a
public telephone or to a digital private branch exchange (PBX).
■ Never connect the built-in modem to a key telephone system for
residences or offices.
■ Never operate your computer on AC power during a thunderstorm. If
you see lightning or hear thunder, immediately turn off the computer.
An electric surge caused by the storm, may result in a system failure,
loss of data or hardware damage.
The built-in modem can be used only in specified countries and regions.
Using the modem in an area not specified for use may cause a system
failure. Check the specified areas carefully before using it.
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