Samsung NP530U3C-A03US 사용자 설명서

This turns on when the hard disk is or ODD 

being accessed.

This turns on when the wireless LAN is 

operating.

This shows the power source and the battery 

charge status.

  

 Green: When the battery is fully charged or 

the battery is not installed.

/ 

 

Red or orange: When the battery is 

being charged.

   Off: When the computer is running on 

battery power without being connected to 

AC adapter.

This shows the computer operating status.
On: When the computer is operating.
Blinks: When the computer is in Sleep mode.