Sony PCG-GRX690P - Manual (Page 45)

Network Connections
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To set up a computer-to-computer (ad-hoc) network
1 Insert a Wireless LAN PC Card into the PC Card slot. See “Inserting PC
Cards” for more information. The Wireless LAN indicator turns on.
2 From the Start menu, click Control Panel, Network and Internet
Connections, and then click Network Connections. The Network
Connections window appears.
3 Right-click Wireless Network Connection, and select Properties. The
Wireless Network Connection Properties dailog box appears.
4 Click the Wireless Networks tab, and then click Add.
5 Type up to 32 ASCII characters in the Network name (SSID) box.
6 Click to select the Data encryption (WEP enabled) check box.
Setting Wireless Network Connection Properties