Enables you to indicate whether or not you wish the value of digital tags whose value is being plotted on the graph to be displayed in the pen legend on the Historical Data Viewer page as the mouse pointer is moved across the plot on the graph. If set to 1 (default), then the value of digital tags will be indicated in the pen legend. If set to 0, then the value of digital tags will not be indicated in the pen legend.
Default: HDVDigitalLegendValue = 1