Sangean WFR-1 (R1) - Manual (Page 17)

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If you do not have the WEP or WPA key, then you should obtain it from
the person who set your network. Some Wi-Fi routers may come with a
key already set up by the supplier, in which case you should refer to the
user documentation provided with it.
You will be prompted to enter password:
● Rotate the Turning knob to highlight the text/number/symbol.
● Press the Turning knob to confirm.
● Use BKSP to delete.
● Use OK to enter when you are done.
● Use CANCEL to cancel and exit.
5. Then the screen will show “Connected” when connection had been made.