Sony PCG-GRT270K - Manual (Page 98)

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
Turns on when you press the Num Lock key on the keyboard to activate the numeric keypad. Press it a second
time to deactivate the numeric keypad. The numeric keypad is not active when the indicator is off.
Caps Lock
Turns on when you press the Caps Lock key on the keyboard to type letters in uppercase. Letters appear in
lowercase if you press Shift while the indicator is on. Press the key a second time to turn off the indicator. Normal typing
resumes when the Caps Lock indicator is off.
Scroll Lock
Turns on when you press the Scroll Lock key on the keyboard to change how you scroll the display. Normal
scrolling resumes when the Scroll Lock indicator is off. The Scroll Lock key functions differently depending on the program
you are using and does not work with Programs.
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