User’s Manual 4-7
Operating Basics
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) functions on and
off, with hot keys. No transmissions are sent or received when the hot keys
don’t work.
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.
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. Click [Start] - [Control Panel] - [Performance and Maintenance]-
[System]- [Hardware]- [Device Manager]- [Network adaptors], and right
click the wireless device then choose Enable.
Set the switch to off in airplanes and hospitals. Check the indicator. It will
stop glowing when the wireless communication function is off.
Indicator status Indication
Indicator off
Wireless communication hot keys are set to off.
Automatic power down because of overheating.
Power malfunction
Indicator glows
Wireless communication hot keys are on.
Wireless LAN is turned on by an application.
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