The monitoring function allows the user to select the mode of display for observation during data acquisition. In other words, the data are displayed real-time on the screen while they are gathered, and this is the function to configure the shape of the data passing through. It consists of scroll mode and sweep mode.
(I) With the scroll mode selected, the graph displayed starts from the right hand side and flows to the left. As it moves on the display window as if water flows, this mode is convenient to observe the trend of changes with time at every moment.
(II) If sweep mode is selected, the graph is drawn from the left hand side. Different from scroll mode that shows the graph flowing with time, sweep mode continues to draw the graph until the whole screen is filled and the procedure repeats afterwards. Thus, the mode is convenient for observation of the shape of the data in a give period of time.