User’s Manual 4-33
Operating Basics
■ Natural Bass - Extends the bass response of any speakers by up to an 
octave.
To open the user interface of Dolby Sound Room, steps as detailed below:
1. Click the right button of a mouse on the speaker icon on the Windows 
Taskbar, and select Playback Devices in the sub menu.
2. On the Playback tab, select Speakers, and click Properties.
3. Click the Dolby tab.
Modem
This section describes how to connect and disconnect the internal modem 
to and from a telephone jack.
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.
To select a region, follow the steps as detailed below:
1. Click Start -> All Programs -> TOSHIBA -> Networking -> Modem 
Region Select.
■ 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. 
■ Avoid using your computer modem with the telephone cable connected 
during an electrical storm. There may be a remote risk of electric shock 
from lightning.
■ Modem functions cannot be used in models which are not equipped 
with a modem.
■ This information is applicable to the models equipped with a built-in 
modem.
■ Some models are equipped with a modem jack or FM antenna port.
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.