5Some circumstances require restrictions n wireless devices.Examples of common restrictions are listed below:Radio frequency wireless communication caninterfere with equipment on commercial aircraft.Current aviation regulations require wirelessdevices to be turned off while traveling in anairplane. IEEE 802.11 (also known as wirelessEthernet) and Bluetooth communication devicesare examples of devices that provide wirelesscommunication.In environments where the risk of interference toother devices or services is harmful or perceivedas harmful, the option to use a wireless devicemay be restricted or eliminated. Airports,Hospitals, and Oxygen or flammable gas ladenatmospheres are limited examples where use ofwireless devices may be restricted or eliminated.When in environments where you are uncertainof the sanction to use wireless devices, ask theapplicable authority for authorization prior to useor turning on the wireless device.Every country has different restrictions on theuse of wireless devices. Since your system isequipped with a wireless device, when travelingbetween countries with your system, check withthe local Radio Approval authorities prior to anymove or trip for any restrictions on the use of awireless device in the destination country.If your system came equipped with an internalembedded wireless device, do not operate thewireless device unless all covers and shields arein place and the system is fully assembled.Wireless devices are not user serviceable. Do notmodify them in any way. Modification to awireless device will void the authorization to useit. Please contact manufacturer for service.Only use drivers approved for the country inwhich the device will be used. See themanufacturer System Restoration Kit, or contactmanufacturer Technical Support for additionalinformation.