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4-50 User’s Manual
PORTÉGÉ M780
Location list for region selection.
Displays a sub-menu appears which details location information.
Open dialog box, if the modem and Telephony Current
Location region code do not match.
Displays a warning if the current settings for both region code and
telephony location are different.
Modem Selection
If the computer cannot recognize the internal modem, a dialog box is
displayed from which you should select the appropriate communications
port for your modem to use.
Dialing Properties
You should select this item in order to display the dialing properties.
Connecting the modular cable
To connect the modem’s modular cable, follow the steps as detailed below:
If you are using the computer in Japan, the Telecommunications Business
Law requires that you select Japan region mode. It is illegal to use the
modem in Japan with any other selection.
■ 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.