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01
  Enter the label that you want to appear on the horizontal axis of the plot.

  It can be as long as will fit on the plot, even though it might not properly
  fit in the menu.

02
  Enter the label that you want to appear on the vertical axis of the plot.
  It will be rotated 90 degrees and centered on that axis unless font zero
  is selected and the plot is placed on the graphics screen of this computer.

  It can be as long as will fit on the plot, even though it might not properly
  fit in the menu.

03
  You can select the fraction of the plotting surface that you want to fill
  with the plot.

  If you enter '1,1', the plot will fill the entire screen, but if you want
  the plot to fill only part of the screen, enter the decimal fraction.

  For example, if you enter '0.5, 0.7', the plot will fill half the area,
  horizontally, and 7/10 of the area vertically.

04
  The range of horizontal axis of the plot can be manually set with this
  command.  Enter the left-hand and right-hand limits for the data set.

  For example, if you want the plotting surface to be limited at a minimum
  value of 5 and a maximum value of 8, enter '5,8',

  By using option number 3 of the file part of the menu, the computer can 
  search your file for maximum and minimum and select those values as limits.

05
  The range of vertical axis of the plot can be manually set with this
  command.  Enter the lower and upper limits for the data set.

  For example, if you want the plotting surface to be limited at a minimum
  value of -3 and a maximum value of 12, enter '-3,12',

  By using option number 3 of the file part of the menu, the computer can 
  search your file for maximum and minimum and select those values as limits.

06
  If your plot is to fill less than half of the plotting surface, and 
  you do not want it positioned in the lower left-hand corner, you can
  move it to a different spot.

  For example, if you previously chose size paramters of 0.5, 0.5, and you
  want the figure centered, you would want the figure moved to the center
  of the page by offsetting it by 1/4 of the page.
    Enter '0.25, 0.25'.

07
  This factor allows you to place the axes on the page by entering the
  position at which they intersect.  

  If your horizontal range is -5 to 5, and your vertical range is -1 to
  12, you can select whether the axes intersect in the center (0,0) or
  in the lower left (-5,-1) or anywhere else.

08
  The relative sizes of drawn lines and space between line segments can
  be selected by using this code.  Four digits encode a four-part
  repeating sequence.  

  The magnitude of each digit (1-9) determines the length of the segment.
  Odd values are drawn segments, and even values are blank segments.

  A dashed line with long dashes is indicated by 8899.  A dot-dash pattern 
  can be encoded with an 8981 sequence.  A dotted line can be drawn with
  the code 8181. 

09

  This area can be used to select a file to be plotted.

  Enter the name of the file that you wish to plot.  When the file is
  opened, the comment and time/date stamp will also be read and 
  written into the menu.

  Notice that by pressing option 2 in this sub-menu, you can transfer
  the labels for the plot from the file to the axes menu.  By pressing
  option 3, you can read through the file to obtain the maxima and
  minima in both the horizontal and vertical axes; these are then
  transferred to the axes menu.

10
  With this entry, select the directory that you wish to view.

  If you enter simply a <return> or <enter>, you will view the entire 
  default directory.

  If you want to view part of the directory, use normal wild-card
  designations.  

  For example, to view all of the files with .DAT extensions on drive A:
  enter 'A:*.DAT'.

11
  The plotter speed is set up to drive the Hewlett-Packard 7470A and
  7475 plotters.  They can operate at up to 39 centimeters per second.

  If you want the best possible plots, use a paper which is non-absorbant
  and slow the plotter down.

  Any speed less than the maximum will also decrease the rate of
  acceleration.
12
  There is a code for each of the four sides of the plot.  Choose the
  sides of the plot that you want drawn in (besides the axes indicated
  in the axes intersection command).  Then add up the codes for the 
  chosen sides and enter that figure.

  If you want the plot to have four sides, enter 15.

13
  Enter a number (0-9 or :) to change one of the plotting parameters for
  the axes.  If you do not want to change any, enter an escape.

14
  Press a single character to enter one of the menus or to plot:

  If you want to make changes in the top menu that defines the axes, enter
  'A'.

  To add another data file containing the data to be plotted, add the next 
  letter in the sequence W-X-Y-Z.  Up to four files may be entered 
  simultaneously.

  Enter 'S' to get to the secondary menu which allows you to change colors,
  change borders, exit, etc.

  A 'P' will load the subroutine to plot the data on the device indicated.

  Depressing ^C (Ctrl-C) twice in succession will terminate the program
  immediately.

15
  You have selected to enter or change the name of a file to be plotted or 
  to read some of the information from that file.  If you did not mean 
  to do that, press escape (Esc).  

  If you press '1', you can enter the name of the new file.
16

  To choose the software font, press the corresponding key, numbers one
  through four.

  Font number zero is the raster-scan font that only applies if the 
  output device is the video screen.  If a screen dump of the video
  screen is intended, it may be the best font to use.

17

  This entry selects specifications for a device data file that contains
  information about the plotting device.  Enter the number n, and the
  program searches the default disk for a file, DEVICEn.DAT.  

  Commonly, you will enter 1 for the default video screen, or
  2 or 3 for HP 7470 or 7475 plotters, respectively, or
  if you have the equipment, 6 for a Hercules-compatible screen.

  Other devices can be installed using information found in the manual.

18
  Transform in X.  The data can be subjected to a transformation before
  they are plotted.

  Notice that your choices are listed at the bottom of the menu screen.

19
  Transform in Y.  The data can be subjected to a transformation before
  they are plotted.

  Notice that your choices are listed at the bottom of the menu screen.

20
  Enter your choice of marker if you want each datum marked by a cross, 
  diamond, etc.  If you do not want them marked, enter a zero.

21
  You can choose whether you want error bars shown.  If you want them, 
  the size of the error bars must be indicated in the data file.

  An error bar datum is encoded immediately after the Y datum, separated
  by an ampersand.

22

	Press the appropriate number to select one of the options above.

23
  You need help here?

  What you just saw is what you just asked for!  If you don't like it,
  try it again.

24

  W A R N I N G !

  If you press "Y", you will be terminated with no further warning!  Do
  so at your own risk.

25
  Enter the number corresponding to the axes or the line that you want
  drawn in a different color.

  If you chose high-resolution video graphics, they will all be drawn
  monochrome.  If you chose an HP 7470A plotter, odd numbers will select
  the left-hand pen, and even numbers the right-hand pen.  

26
  If you chose low-resolution video color board graphics, you have three
  choices; in hi-resolution, colors cannot be shown.

  If you chose an HP 7470A plotter, odd numbers will select
  the left-hand pen, and even numbers the right-hand pen.  

  For the HP7475, you can choose pens 1-6.

27Help message number 27.
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