To display the chart in the Waterfall view, click on the Waterfall icon
Source contains Recent and Archive data drop down menu.
Recent data displays all current data acquired in real time
When Archive is selected the date/time range selector becomes active. Select Start Time and End Time either by typing in the desired date/time or using the calender pull down. Then hit Get Data.
Selecta Most Recent history of measurements to display in the waterfall chart by hitting the up/down arrow.
Display the Waterfall chart as a Contour Map