MSI CX720 User Manual page 37

2-15
Wireless LAN (WiFi)
This LED indicator glows blue when Wireless LAN (WiFi) function is
enabled.
LED indicator goes out when this function is disabled.
Note: Functions listed here may be optional supported depending on the
WLAN(WiFi) model users purchased.
Warning: For flight safety consideration, make sure this LED indicator
goes out when you are in flight.
Contact the local distributor for further information if necessary.