Digital Video Recorder User Manual584.8 P.T.Z configurationP.T.Z configuration includes two submenus: serial port and advance① Serial portStep1: enter into system configurationÆP.T.Z configurationÆserial port; refer to Fig 4-37:Fig 4-37 P.T.Z configuration-serial portStep2: tick off Enable, setup the value of address, baud rate and protocol according to the settings of the speed dome.Step3: user can setup all channels with same parameters, tick off “all”, then to do relevant setup.Step4: click “default” button to resort default setting; click “apply” button to save the setting; click “exit” button to exit current interface.Definitions and descriptions of network stream: