DVR User Manual38Step 5: Select Authority tab and then assign the operation rights for particular user. Refer to fig 4-34.Fig 4-34 Add User-AuthorityIf you want to delete the user, please select the user you want to delete in the user list box and then click “Delete” button.If you want to modify the user, please select the user you want to modify in the user list box and then click “Setup” button to modify itsgeneral information and authority.If you want to change password of a user, please select the user in the user list box and then click “Change Password” button.4.8 P.T.Z ConfigurationP.T.Z configuration includes two submenus: serial port and advanced settings.Serial port settings are as follows:Step 1: Enter into MenuSetup P.T.Z Serial port tab. Refer to Fig 4-35:Step 2: Select “enable” and setup the value of address, baud rate and protocol according to the settings of the speed dome.Step 3: Configure all channels with the same parameters by selecting the “All” box and then doing the relevant setup.