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User’s Manual 4-47
Operating Basics
Bluetooth
TM
wireless technology
Bluetooth
TM
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
Adaptor simultaneously.
Bluetooth
TM
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:
■ Authentication prevents access to critical data and makes it impossible
to falsify the origin of a message.
■ Encryption prevents eavesdropping and maintains link privacy.
Wireless communication switch
You can enable or disable RF transmission(Wireless LAN and Bluetooth)
functions on and off, with this switch (Provided with some models). No
transmissions are sent or received when the switch is off. Slide the switch
toward the right of the computer to turn it on and toward the left of the
computer to turn it off.
Turn the computer off when you enter an airplane and check the carrier’s
regulations before you use a computer on board.
Set the switch to off in airplanes and hospitals. Check the indicator. It will
stop glowing when the wireless communication function is off.