Edimax PS-1210MFn Manual page 61

In the Ad-Hoc mode, you can let the MFP Server automatically
associate with other wireless station or manually assign the SSID
of your wireless network. You can let the MFP Server automatically
select the channel that is the same with the wireless station that
you want to connect or manually assign a channel.
If you select to let the MFP Server scan for an active wireless
station, the following window will pop up.
The list is the scanned active wireless stations. Select a wireless
station in the list and click "Next". If you cannot find the wireless
station that you want the MFP Server to communicate with, click
"Scan" to let the MFP Server scan again.
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