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6.5  Audio: Audio parameters 
 
¾  Audio: To enable or disable audio function 
¾  Audio Type: To select audio codec 
¾  Audio Mode: To select Simplex or Full duplex (2-way audio) mode 
¾  Input Gain: To adjust gain of input audio 
¾  Output Gain: To adjust gain of output audio 
6.6  User: Manage user name, password and login privilege 
Use this menu to add, update, or remove the usernames and passwords of the Administrator and 
viewer.