MSI 163C - Manual (Page 27)

2-9
Getting Started
Caps Lock: Glowing blue when the Caps Lock function is
activated.
Scroll Lock: Glowing blue when the Scroll Lock function
is activated.
Wireless LAN and Bluetooth:
w Glowing yellow green when wireless LAN function is
enabled.
w Glowing blue when Bluetooth function of is enabled.
w Glowing yellow green and (blue) at the same time
when Wireless LAN and Bluetooth function are both
enabled.