Edimax EW-7438RPn V2 Quick Installation Manual page 8

Do not check "Connect to a hidden network" unless you wish to
connect to a hidden SSID instead. Refer to the user manual for
more information.
9.
Please wait while the EW-7438RPn tests the connection.
If your Wi-Fi extender cannot obtain an IP address (below) from
your existing router/access point then click the "Static IP" button
to assign an IP address to the extender. For more guidance please
refer to the user manual.
10.
When the connection test is complete, click "Apply" to restart the
extender.
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