D-Link DIR-68 manual Connecting to a Wireless Network
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Section 5 - Connecting to a Wireless Network
3.The Wireless Network Connection box will appear. Enter the WPA-PSK passphrase and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the WPA-PSK settings are correct. The WPA-PSK passphrase must be exactly the same as on the wireless router.