Sony PCG-SRX87 - Manual (Page 41)

Connecting to a Wireless LAN
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5 Select the Wireless Networks tab.
6 Click the Add... button. The Wireless Network Properties dialog box
appears.
7 Enter a Network name (SSID). Choose a 6-digit name.
8 Check the box to select Data encryption (WEP enabled).
9 Check the box to select Network Authentication (Shared mode).
10 Clear the box to deselect the option “The key is provided for me
automatically.” Some information boxes become visible.
11 Fill in the Network key. Choose a 5-digit name.
Setting Wireless Network Connection Properties