Select reference line label > Editor > Edit Line Label > Font
Use to edit the reference line label font attributes. To add a reference line to a graph, choose Editor > Add > Reference Lines.
Font: Choose a font.
Style
Bold: Check to make the text bold.
Italic: Check to italicize the text.
Underline: Check to underline the text.
Size: Enter a font size.
Color: Choose a text color.
Preview: Displays sample text with the selected attributes. This box does not accept input.
Text: Type the reference line label.
Apply same font to all reference labels: Check to apply same font changes to all labels.