Sony PCG-GRX690K Manual

Power 

Lights up 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 

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 slot is not being used. 
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 lowercase 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.