/GTHK, Label, THICK
Sets line thicknesses for graph lines.
LabelApply thicknesses as selected from the following labels:
AXIS  | —  | Modify thickness of ordinate and abscissa axes on graph displays.  | 
GRID  | —  | Modify thickness of grid lines on graph displays.  | 
CURVE  | —  | Modify thickness of curve lines (when no area fill [/GROPT]).  | 
THICKThickness ratio (whole numbers only, from -1 to 10):
-1  | —  | Do not draw the curve, but show only the markers specified by /GMARKER.  | 
0 or 1  | —  | Thin lines.  | 
2  | —  | The default thickness.  | 
3  | —  | 1.5 times the default thickness.  | 
etc.  | —  | (up to 10)  | 
Sets line thicknesses for graph lines (in raster mode only). Use /GTHK,STAT to show settings.
This command is valid in any processor.