Legend

The display and format of the legend is user controlled through its
Legend property setting, or
via its Legend fields in the 
General Property Page. 
The legend displays useful information such as: 
 - which Profile is
     plotted against which Y-axis scale
- configured label for
     each Profile (labels - Profile1, Profile2, Profile3, Profile4, and Profile5 - are used in the
     figure above)
- configured line type
     and marker for each Profile
- Y-axis scale labels
  (YScale1, YScale2, YScale3, YScale4, and YScale5 are used in the figure above)
-  the profile labels are displayed in the same color as its
y-axis scale
- Y-axis scale colors
 
NOTE:  If a
Y-axis scale label is empty, it will not be displayed in the
legend.