MSI EX401 User Manual page 31

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5. Touchpad
This is a pointing device of the notebook.
Battery:
Glowing green when the battery is being charged.
Glowing amber when the battery is in low battery status.
Blinking amber if the battery fails and it is recommended to replace a
new battery. Consult the local dealer for purchasing an equivalent
type of battery recommended by the manufacturer.
Battery LED goes out when it is fully charged or when the AC adapter
is disconnected.
Num Lock: Glowing blue when the Num Lock function is activated.
Caps Lock: Glowing blue when the Caps Lock function is activated.
Scroll Lock: Glowing blue when the Scroll Lock function is activated.
Hard Disk/ Optical Drive Device In-use:
Blinking blue when the system is accessing the hard disk drive or the
optical drive device.