Login to the TEW-690AP by entering https://192.168.10.100 into the address line of your browser. If you have configured the TEW-690AP with a dynamic IP address use the current IP address assigned to it.

The default username is "admin" and there is no password by default.

Click on Wireless>Basic and enable Repeater Mode Support. Enter in the MAC Address of the access point you will be repeating off of. The SSID, channel and encryption values must match the access point you are repeating off of.

Click on Wireless>Security on the left hand side and ensure that the encryption values match the access point you are repeating off of.