Trend Plots are used to display time based trends of archived Gauge data. To open a Trend Plot panel,
Click on Trend on the Home tab command ribbon.
Right click on the Trend Plot to display a menu of Trend Plot commands.
Expand the plot options box to select the data to display on the Trend Plot.
Use the X axis scroll bar to change the time band on the Trend Plot.
Use the left mouse button to draw a zoom box on a desired portion of the Trend Plot
Spin the mouse wheel to zoom in or out on the entire Trend Plot.
Select different plot styles from the Chart tab command ribbon.