Samsung NP540U3C User Manual page 26

Overview
Status Indicators
1 2 3 4
This turns on when the hard disk is or ODD
1 HDD/ODD
being accessed.
Wireless LAN This turns on when the wireless LAN is
2
operating.
This shows the power source and the battery
charge status.
Green: When the battery is fully charged or
the battery is not installed.
Charge Status
3
/ 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.
4 Power On: When the computer is operating.
Blinks: When the computer is in Sleep mode.
Chapter 1
25
Getting Started