Sony VAIO VGN-A140 Series Quick Start Manual page 24

VAIO® Computer Quick Start
Indicator Function
Scroll Lock The Scroll Lock indicator turns on to advise you that your
screen's scrolling pattern has changed. This function is not
available with all software programs. Normal scrolling
resumes when the Scroll Lock indicator is off.
*
Bluetooth® Turns on when the wireless switch is set to ON and Bluetooth
technology is enabled.
Wireless Turns on when the wireless LAN function is running.
*
LAN
* On selected models only.
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