D-Link DAP-1160 User Manual page 45

Section  - Connecting to a Wireless Network
3. The Wireless Network Connection box will appear. Enter the
WPA-Personal passphrase and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, please verify that the WPA-Personal settings are
correct. The WPA-Personal passphrase must be exactly the same
as on the wireless access point.
D-Link DAP-1160 User Manual