Legend
A legend contains names and markers of data series on a chart. The order of displaying data series in the legend corresponds with their order on a chart.
NOTE. A legend shows only the data series, for which the Show in Legend checkbox is selected.
Examples of legends for various chart types:
To set up a chart legend, use the Legend group of parameters on the parameters panel.
Open the Legend group of parameters
Parameters button on the toolbar, then select the required group.
Set the parameters:
Position
Select legend position relative to the chart area. The available options: top left corner, top border center, top right corner, right border center, bottom right corner, block bottom border center , bottom left corner, left border center. When the position option is selected, the Position Legend Automatically checkbox is selected.
By default, the legend is positioned at the bottom of the chart.
To hide the chart, select the Do not Show Legend checkbox.
Font
To set up font, set the parameters:
Font. Select one of the available fonts in the drop-down list
Font size. Select the required font size. The size is set in points, and it can be selected in the drop-down list or entered manually. Range of available values: [8; 36].
Color. Select text color in the drop-down palette or set it in the RGB or HEX format.
Style. Select font style:
B. Bold.
I. Italic.
U. Underline.
When the button is pressed, the corresponding font style is used. Several styles can be used simultaneously, for example, pressed B and I buttons result in bold italic font style.
Fill
To set up legend background, select fill type in the drop-down list:
No Fill. Default value. Fill is not used.
Solid Fill. Select a solid fill color in the drop-down palette or set it in the RGB or HEX format. If required, specify fill transparency degree.
Two-Color Fill. Select start and end gradient colors in the drop-down palette or set each color in the RGB or HEX format. If required, specify tilt angle and fill transparency percent.
Hatching Fill. Execute the operations:
Select a solid fill color in the drop-down palette or set it in the RGB or HEX format. If required, specify fill color and hatching color transparency percent.
Select texture option in the Hatching drop-down list.
Select hatching color in the drop-down palette or set it in the RGB or HEX format.
To reset fill settings, click the 
Delete button.
Border
To set up legend border, set:
Line Type. Select line type in the drop-down list.
Line Color. Select a solid fill color in the drop-down palette or set it in the RGB or HEX format.
Line Width. Set the required line width using the keyboard or the value editor.
To reset birder settings, click the Delete button.