Communicator entered human action, the output is complete or complete opening and closing adjustment. For example, automatic control valves out of control, then manually close valves or open the valve. General Communicator as an automatic control runaway backup link. Use the keys of the handheld: the character selection key: confined to modify data in the process of selection of digital information. Enter key: used to select each menu selection and digital information. Modifier keys: used to modify the instrument's data information. Backlit keys: Used to open and close the backlight. Power key: Used to open and close the power supply. Exit: to exit the menu. Function keys: for extended functions (standby). Communicator also has a lot of advantages: PC interface (RS232), for the transmission of data display with backlight function menu features simple and user-defined function keys with built-in data storage (1 MB) scene print data touchscreen (optional) for fast operation and input back with a disk, for on-site fixed robust housing, anti-impact analysis box powered by a rechargeable battery or external power supply, case analysis, analysis of flue gas analyzer box is the heart. Analysis of the box include: a different flue gas sensor assembly and differential pressure measurement components - gas pump. Specific operations and parameters described above, we can at http://www.skzdh.cn detailed description we can see.