Table of Contents
Advertisement
Bluetooth wireless technology
Bluetooth wireless technology eliminates the need for cables between
electronic devices such as desktop computers, printers and mobile phones.
You cannot use the built-in Bluetooth functions and an optional Bluetooth
PC card simultaneously.
Bluetooth wireless technology has the following features:
Worldwide operation
The Bluetooth radio transmitter and receiver operates in the 2.45 GHz
band, which is license-free and compatible with radio systems in most
countries in the world.
Radio links
You can easily establish links between two or more devices. The link is
maintained even if the devices are not within line of sight.
Security
Two advanced security mechanisms ensure a high level of security:
I
Authentication prevents access to critical data and makes it impossible
to falsify the origin of a message.
I
Encryption prevents eavesdropping and maintains link privacy.
Wireless communication switch
You can enable or disable Wireless LAN and Bluetooth functions, with the
on/off switch. No transmissions are sent or received when the switch is off.
Slide the switch to the right to turn it on and to the left to turn it off.
I
Set the switch to off in airplanes and hospitals. Check the indicator. It
will stop glowing when the wireless communication function is off.
I
Turn the computer off when you enter an airplane and check the
carrier's regulations before you use a computer on board.
Wireless communication indicator
The wireless communication indicator indicates the status of the wireless
communication functions.
Indicator status
Indicator off
Indicator glows
If you used the Task Bar to disable wireless LAN, restart the computer or
follow the procedures below to enable the system to recognize wireless
LAN. Open or click the following:
User's Manual
Indication
Wireless communication switch is set to off.
Wireless communication switch is on. Wireless
LAN or Bluetooth is turned on by an application.
Operating Basics
4-29
Advertisement
Table of Contents
