◇可以独立运作或外接电脑结合软件同步操作

      Can operate independently or operatedby external computer software.

◇最多可配置4台摄像机

      Up to 4 cameras can be configured.

◇系统主机与摄像头的连接，采用RS485通讯协议或422协议，多种协议可选

      RS-485 or RS-422 are used in the connection between host and camera, varieties of protocols are workable for the system.

◇系统主机与电脑的连接，采用RS232通讯协议

      System host and computer connection using RS232 communication protocol.

◇可实现多种会议模式   Achieving several kinds of meeting mode

   自由讨论模式（FREE）:Free discussion mode

   数量限制模式（LIMIT）；Quantity limited mode

   先进先出模式（FIFO）；First in first out mode

   主席模式（C.ONLY）：Chai rman only mode