D-Link WUA-1340 User Manual page 16

Section  - Installation
To manually connect to your wireless network, select Manually
connect to a wireless network and then click Next.
Enter the network name (SSID) manually. If you enter the SSID
incorrectly, you will automatically be brought to the site survey
page. Click Scan to display the site survey page.
Click the Scan button to display a list of wireless networks (site
survey). Click on the network name (SSID) and click Next.
D-Link WUA-1340 User Manual 1