D-Link DIR-822 User Manual page 18

Section 3 - Configuration
If the router detected or you selected Static, enter the IP and DNS
settings supplied by your ISP. Click Next to continue.
For both the 2.4 GHz and 5 GHz segments, create a Wi-Fi network
name (SSID) using up to 32 characters.
Create a Wi-Fi password (between 8-63 characters). Your wireless
clients will need to have this passphrase or key entered to be able
to connect to your wireless network.
Click Next to continue.
In order to secure your router, please enter a new password. Check
the Enable Graphical Authentication box to enable CAPTCHA
authentication for added security. Click Next to continue.
D-Link DIR-822 User Manual 14