D-Link DAP-1520 User Manual page 48

Section 5 - 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 this point to enable
the WPS function.
When you have established a successful connection with a wireless
network, the word Connected.will appear next to the name of the
network to which you are connected.
D-Link DAP-1520 User Manual 44