Lenovo ThinkPad T520 User Manual page 34

4 Bluetooth status
• Green: The feature is on, and the radio link is ready for use, or the data is being transmitted.
• Off: The Bluetooth feature is disabled.
5 Wireless LAN/Wireless WAN/WiMAX status
• Green: The wireless LAN feature (the 802.11b/g Standard, 802.11a/b/g or 802.11n draft 2.0), wireless
WAN feature or WiMAX feature is on, and the radio link is ready for use, or the data is being transmitted.
• Off: Wireless network devices are disabled or the radio is turned off.
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User Guide