User manual
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User management(see picture 5.53) 
Fig.5.53 
【add user】: enter user name such as “guest” and password. And then select “authority” 
and click “add” to add a new user   
【delete user】: select targeted user and click “delete” to delete this user 
【change password】:Select the user you want to modify in the " User selection", enter 
the new password, click on "Change Password". 










