valutazioni - 3, GPA: 4.3
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In addition, based on the ratified IEEE 802.11i standard, WPA2 provides government grade security by implementing the National Institute of Standards and Technology (NIST) FIPS 140-2 compliant AES encryption algorithm and 802.1X-based authentication. WPA2 is backward compatible with WPA. Using Your VAIO Computer > Using the Wireless LAN n 52 N Starting Wireless LAN Communications You first need to establish wireless LAN communications between your computer and an access point (not supplied). See Windows Help and Support for more information. ! For details on how to select the channel that will be used by the access point, see the manual that came with your access point. To start wireless LAN communications 1 Make sure an access point is set up. See the manual that came with your access point for more information. 2 Turn on the WIRELESS switch. 3 Click the VAIO Smart Network icon on the taskbar. 4 Click the switch next to your desired wireless option(s) to toggle it to On in the VAIO Smart Network window. Make sure the WIRELESS indicator light turns on. ! 5 GHz band wireless LAN communications, available on selected models only, are disabled by default. To enable 5 GHz band communication, you need to select the option to use the 5 GHz band or both the 2.4 GHz and 5 GHz bands from the drop-down list for Wireless LAN Settings in the VAIO Smart Network settings window. 5 Click or on the taskbar. 6 Select the desired access point and click Connect. . For WPA-PSK or WPA2-PSK authentication, you must enter a passphrase. The passphrase is case sensitive and must be a text string between 8 and 63 characters in length or a hexadecimal string of 64 characters. Using Your VAIO Computer > Using the Wireless LAN n 53 N Stopping Wireless LAN Communications To stop wireless LAN communications Click the switch next to Wireless LAN to toggle it to Off in the VAIO Smart Network window. ! Turning off the wireless LAN function while accessing remote documents, files, or resources may result in data loss. Using Your VAIO Computer > Using the Wireless WAN n 54 N Using the Wireless WAN Using the wireless WAN (WWAN) allows your computer to connect to the Internet through the wireless network wherever there is the mobile phone coverage. The WWAN may not be available in some countries or areas. See Wireless WAN Regulations Guide in Regulations, Guarantee, and Service Support to find out in which countries or areas the WWAN is available. Some features and options in this section may not be available on your computer. See the specifications to find out about the configuration of your computer. Using Your VAIO Computer > Using the Wireless WAN n 55 N Inserting a SIM Card To use the wireless WAN function, you first need to insert a SIM card into the SIM card slot on your computer. Your SIM card is contained within a base plate, about the size of a credit card. . Depending on your country and model, you might receive an offer from the VAIO selected telecom operator. In that case the SIM card is either in the operator SIM pack inside the carton box or already inserted in the SIM card slot. If the SIM card is not provided with your computer, you can purchase one from your preferred telecom operator. To insert a SIM card 1 Turn off your computer. 2 Remove the battery pack from the computer. . For detailed instructions, see To remove the battery pack (page 22). 3 Remove the SIM card (1) by pushing it out from the base plate. Using Your VAIO Computer > Using the Wireless WAN n 56 N Insert the SIM card into the SIM card slot with its printed circuit side down. ! Do not touch the printed circuit on the SIM card. Be sure to hold your computer firmly before inserting or removing the card. Do not damage the SIM card in any way, either by bending or exerting pressure on the card. Reinstall the battery pack. ! Make sure the battery pack is installed properly. Using Your VAIO Computer > Using the Wireless WAN n 57 N Starting the Wireless WAN Communications To start the wireless WAN communications 1 Turn on the WIRELESS switch. 2 Click the VAIO Smart Network icon on the taskbar. 3 Click the switch next to Wireless WAN to toggle it to On in the VAIO Smart Network window. 4 Enter your PIN code when prompted. 5 If requested, enter the APN information of your telecom operator. For more information on how to use the wireless WAN function, see the help file included with the VAIO Smart Network software or your telecom operator's documentation. Using Your VAIO Computer > Using the Bluetooth Function n 58 N Using the Bluetooth Function You can establish wireless communications between your computer and other Bluetooth® devices such as another computer or a mobile phone. You can transfer data between these devices without cables at a range of up to 10 meters in an open area. Bluetooth Security The Bluetooth wireless technology has an authentication function, which allows you to determine with whom you choose to communicate. With the authentication function, you...
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