Sony PCG-SRX99K VAIO User Guide (primary manual) User Manual page 65

Indicators
Indicator Function
Power
Lights up when the power to the computer is on, flashes in Standby mode, and turns off when the computer
is in Hibernate mode or off.
Battery
Lights up 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
®
Lights up 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 accessed.
Hard disk
Lights up when data is read from or written to the hard disk. Do not enter Standby mode or shut down the
computer when this indicator is on.
Num Lock
Lights up when the number keys area in the numeric keypad are active. When the indicator is off, the
alphanumeric character keys in the keypad area are active.
Caps Lock
Lights up when the letters appear in uppercase as you type. The Shift key lowers the case of typed letters
when Caps Lock is on. When the indicator is off, the letters appear in lower case as you type (unless you hold down the
Shift key).
Scroll Lock
Lights up when the screen scrolls differently. (Exactly how it scrolls depends on the specific program. This
function does not work with all programs.) When the indicator is off, information moves across the display normally.
Wireless
LAN Lights up when the Wireless LAN function is running.
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