Xylem DH-21 - Manual (Page 91)

DH-21
Using the Graphical “W ATER LOG” Software 4-45
Maximize:
Both graphs have a box in the upper right corner that when clicked on with the mouse,
will use the whole screen to show the graph. To get the graph back to its normal size
again, click on the square box in the upper right hand corner.
The “Graph Options” shown in Figure 4-29 allow some customization of the auxiliary graph. The
changes made by these options will be displayed on the screen and a printed graph.
Titles:
The Auxiliary graph title is the only title that can be changed. This name is used as the
title for the printed graph. When entering the graph mode, the Auxiliary graph will always
be called Auxiliary Graph. It is foreseen that this will be changed to reflect the site or
application, for example, “Well #23".
X Axis Time Base:
The X axis time base on the auxiliary graph will be displayed in the same units as the
main graph. This default time base is computed based on the difference in time from the
first data point to the last data point. If the auxiliary graph has been set to display only a
portion of the main graph, it may be best to change the time base. The options are
seconds, minutes, hours, days, and weeks.
Data Point Markers:
The graphs are made up by drawing a line from one data point to the next data point.
When the Show Data Points option is enabled, a marker will be placed on the graph at the
point that the data was actually logged. This is not very useful in the Linear logging
mode, but is useful in all other modes because these modes may not log data at regular
time intervals. Showing the data points is an easy way of seeing when data was actually
logged.