Toshiba Satellite C640 - Manual (Page 95)

User’s Manual 4-28
Operating Basics
Security
■ Be sure to enable encryption function. Otherwise your computer will
allow the illegal access by outsider through Wireless LAN to cause
illegal instruction, eavesdropping, and loss or destruction of stored data.
TOSHIBA strongly recommends the customer to enable the encryption
function.
■ TOSHIBA is not liable for the eavesdropping of data due to the use of
Wireless LAN and the damage thereof.
Wireless Communication Hot Key
You can enable or disable RF transmission(Wireless LAN etc.) functions on
and by pressing FN + F8. No transmissions are sent or received when the
function is off.
Turn the computer off when you enter an airplane and check the carrier’s
regulations before you use a computer on board.
LAN
The computer has built-in support for Fast Ethernet (10BASE-T/100BASE-
TX). This section describes how to connect/disconnect to a LAN.
LAN Cable Types
If you are using Fast Ethernet LAN (100 megabits per second, 100BASE-
TX), be sure to connect with a CAT5 cable or higher. You cannot use a
CAT3 cable.
If you are using Ethernet LAN (10 megabits per second, 10BASE-T), you
can connect with a CAT3 or higher cable.
Set the function to off in airplanes and hospitals.
Do not install or remove an optional memory module while Wake-up on
LAN is enabled.
The Wake-up on LAN function consumes power even when the system is
off. Leave the AC adaptor connected while using this feature.
The computer must be configured properly before connecting to a LAN.
Logging onto a LAN using the computer’s default settings could cause a
malfunction in LAN operation. Check with your LAN administrator
regarding set-up procedures.