D-Link AC3200 Ultra User Manual page 201

Section 7 - Connecting a Wireless Client to your Router
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 during this step to enable the WPS function.
When you have established a successful connection to a wireless network, the word
Connected will appear next to the name of the network to which you are connected to.
D-Link DIR-890L User Manual 196