1. First of all, select the '40 bit'.
2. Input a certain value (ex. test1 etc) in the 'Passphrase' and click the Generate button. Then it
will make four values of keys automatically.
3. Then you set the same value to the WEP of AP. (cf. If you use the WLAN made from
other company, you must set the same values in the four keys)
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