User`s guide

For a multi-pen plotter, the pens of the plotter draw the different components of the screen as
follows:
Pen
Number
1
2
r
3
4
5
6
Description
Draws the annotation and graticule.
Draws trace A.
Draws trace B.
Draws trace C and the display line.
Draws user-generated graphics and the lower-limit line.
Draws the upper-limit line.
Printin and Plottin
6-9