Sony VAIO VGN-S380 Quick Start Manual page 22

VAIO® Computer Quick Start
Indicator Function
Scroll Lock Press the Scroll Lock key to activate the Scroll Lock indicator.
The Scroll Lock feature changes how you scroll the display. It
may function differently depending on the program you are
using and does not work with all 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 LAN Turns on when the wireless LAN function is running.
* On selected models only.
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