It is possible to create till 6 plots with 8 curves each one.
List on the left contains all the plot instances for the trending page,
while the right part of the screen contains all the curves about selected
plot
instance.
Plot instances can be added/removed using the buttons.
Curves of a plot can be added/removed/modified. It is necessary to
select a line in the table. If this line contains values it is possible
to modify or delete its content. If the line is empty it is
possible to asign the information to it for seeing the curve in the plot.
If the plot will be visible in the page, the Visible option must
be marked.
Changes to the plot instance are saved using the Save Plot button