Echelon IzoT NodeBuilder - Manual (Page 261)

Fonts and Colors Specifies the font, font size, and color used for text in the
Breakpoint List, Call Stack, and Watch List panes. To change
the font and color used in a pane, click the pane and then click
Fonts and Colors.
3. Click OK to save the settings.
IzoT NodeBuilder FX User's Guide 247