Lenovo G530 - Manual (Page 144)

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Appendix D. Notices
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Using the integrated wireless cards on board of airplanes, or in hospitals
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In any other environment where the risk of interference to other devices
or services is perceived or identified as harmful.
If you are uncertain of the policy that applies on the use of wireless devices
in a specific organization (e.g., airport or hospital), you are encouraged to
ask for authorization to use Wireless LAN PCI Express Mini Card or
Bluetooth Daughter Card prior to turning on the computer.