The SET TITLE STYLE command allows the style of the title text output at the top of graphical diagrams to be changed from the default values. The output of the title, or not, the colour, and the character size may be changed. (Other questions are asked, but their answers have no effect at present.)
In the following example the title text is made twice as large and red:
Main menu: ENTER COMMAND [Z-SCALE]:set title OUTPUT TITLE [YES]:y TITLE FONT INDICE (Range: -100 to 100) [1]: TITLE COLOUR [BLACK]:red TITLE CHARACTER HEIGHT SCALE FACTOR (Range: 0.0 to 100.0000) [1.000000]:2 TITLE CHARACTER WIDTH SCALE FACTOR (Range: 0.0 to 10.00000) [1.000000]: TITLE CHARACTER SPACING (Range: -5.000000 to 10.00000) [0.0]: Main menu: ENTER COMMAND [PLOT DATA]: