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manual abstract
Although technologies to minimize interference from other devices that use the same bandwidth are employed on wireless LAN compatible devices, such interference may cause lower communication speed, narrower communication range, or broken wireless connections. The communication speed varies depending on the distance between communication devices, existence of obstacles between such devices, the device configuration, the radio conditions, and the software in use. In addition, communications may be cut off depending on the radio conditions. The communication range varies depending on the actual distance between communication devices, existence of obstacles between such devices, the radio conditions, the ambient environment that includes existence of walls and materials of such walls, and the software in use. Deploying IEEE 802.11b and IEEE 802.11g products on the same wireless network may reduce the communication speed due to radio interference. Taking this into consideration, the IEEE 802.11g products are designed to reduce the communication speed to ensure communications with IEEE 802.11b products. When the communication speed is not as fast as expected, changing the wireless channel on the access point may increase the communication speed. 6565nNUsing Your VAIO Computer Communicating without an Access Point (Ad-hoc) An ad-hoc network is a network in which a LAN is created only by the wireless devices themselves, with no other central controller or access point. Each device communicates directly with other devices in the network. You can set up an ad-hoc network easily at home. . If the wireless connection is initiated by the VAIO computer, channel 11 will be selected by default. . If the wireless connection is initiated by peer wireless LAN equipment, the wireless LAN communication will make use of the channel selected by the peer wireless LAN equipment. 6666nNUsing Your VAIO Computer To communicate without an access point (ad-hoc) ! 1 The IEEE 802.11n draft standard, using the 2.4 or 5 GHz bandwidth, is not available on ad-hoc networks. Turn on the WIRELESS or WIRELESS LAN switch. The WIRELESS indicator lights up. 2 Double-click ( / ) on the taskbar to display the Wireless Device Switch window. 3 Select your desired wireless option(s) and click OK. 4 Click Start and Control Panel. 5 Click View network status and tasks under Network and Internet. 6 Click Set up a connection or network on the left pane. The Set up a connection or network window appears. 7 Select an option to specify the ad-hoc network settings and click Next. 8 Follow the on-screen instructions. . See the online specifications to see whether your model supports the Bluetooth functionality, the IEEE 802.11a/b/g standard, and/or the IEEE 802.11n draft standard. 6767nNUsing Your VAIO Computer Communicating with an Access Point (Infrastructure) An infrastructure network is a network that extends an existing wired local network to wireless devices by providing an access point (not supplied), for example the Sony Access Point. The access point bridges the wireless and wired LAN and acts as a central controller for the wireless LAN. The access point coordinates transmission and reception from multiple wireless devices within a specific range. The access point will select which channel to use on an infrastructure network. ! 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. 6868nNUsing Your VAIO Computer To connect to a wireless network 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 or WIRELESS LAN switch. The WIRELESS indicator lights up. 3 Double-click ( / ) on the taskbar to display the Wireless Device Switch window. 4 Select your desired wireless option(s) and click OK. 5 Right-click or on the taskbar and select Connect to a network. 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 between 8 and 63 alphanumeric characters long or up to 64 characters long using numbers from 0 to 9 and letters from A to F. See the online specifications to see whether your model supports the Bluetooth functionality, the IEEE 802.11a/b/g standard, and/or the IEEE 802.11n draft standard. 6969nNUsing Your VAIO Computer Stopping Wireless LAN Communication To stop wireless LAN communication Turn off the WIRELESS or WIRELESS LAN switch. ! Turning off the wireless LAN functionality while accessing remote documents, files, or resources may result in data loss. 7070nNUsing Your VAIO Computer Using the Bluetooth Functionality The Bluetooth functionality is available on selected models only. See the online specifications to see whether your model supports the Bluetooth functionality. You can establish wireless communication between your computer and other Bluetooth devices such as another computer ...
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