D-Link DAP-1665 User Manual page 29

Section 3 - Configuration
If the existing wireless network is password-protected,
enter the Wi-Fi Password.
Click Next to continue.
A dialog box will appear offering you the opportunity
to save the address for the web-based configuration
utility in your browser's bookmarks. Click OK to save or
click Cancel to continue without saving a bookmark.
In order for your network settings to take effect AP will
reboot automatically.
D-Link DAP-1665 User Manual 28