Sony VGN-A600 quick start About the Indicator Lights, Function

VAIO® Computer Quick Start

About the Indicator Lights

Indicator	Function
Power	Turns on when the power to the computer is on, blinks in
	Standby mode, and turns off when the computer is in
	Hibernate mode or off.
Battery	Turns on when the computer is using battery power, blinks
	when the battery is running out of power, double-blinks when
	the battery is charging.
Memory Stick®	Turns on when data is read from or written to the Memory
	Stick media. (Do not enter Standby mode or turn off the
	computer when this indicator is on.) When the indicator is
	off, the Memory Stick media is not being used.
Hard Disk	Turns on when data is read from or written to the hard disk.
	Do not enter Standby mode or turn off the computer when
	this indicator is on.
Num Lock	The Num Lock indicator turns on when the numeric keypad
	is activated. When the indicator is off, the directional arrow
	and correction keys on the numeric keypad area are active.
Caps Lock	The Caps Lock indicator turns on to advise you that the
	keyboard is set to type letters in uppercase. When the
	indicator is off, the letters appear in lowercase as you type.

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