D-Link DIR-516 User Manual page 53

Section 3 - Connecting a Wireless Client
You will then be prompted to enter the network security key (Wi-Fi
password) for the wireless network. Enter the password into the
box and click Next.
If you wish to use Wi-Fi Protected Setup (WPS) to connect to the
router, you can also press the WPS button on your router at the
point to enable the WPS function.
When you have established a successful connection a wireless
network, the word Connected.will appear next to the name of
the network to which you are connected.
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