Samsung SWL-3000AP - Manual (Page 11)

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Set Channel for AP use.
Channel index should be between 1 and 14(differs from country to country).
Notice : If you are operating two or more Access Points in the adjoining
cells, keep the appropriate channel distance to avoid the interference. We
recommend you to keep the distance of at least 4 channels in the adjoining
cells.
⑥ Select “Change Password” on [File] menu if you want to change the password.
⑦ After entering Current Password, New Password and Retype Password, click
[OK] button.
Please keep this password at a safe place or keep it where it may not get lost.