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1991-02-06
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PRO-CR(tm) (C) Copyright 1989,1990,1991 David P Gray
PRO-CR(tm) is an Optical Character Recognition program.
A sample image file has been included which you can process now by selecting
start at the first menu. (Note: this assumes you have not changed any of
the preset parameters in the options menu!)
The following paragraphs describe how to use the menus, what the status
line at the bottom of the screen means, and what the options for the top
level menu are.
THE MENU BARS.......Use the arrow keys to select the required option from the
menu bar and hit return when the option is highlighted. Alternatively, hit
the highlighted key in the required option to directly select that option.
#
THE STATUS LINE.....The last line of the screen shows what options you have
selected and indicates the percentage completion of the current scan:
0% <ESC=abort> input_file->output_file dpi=200 <PC*> SCANJET
<ESC=abort> indicates that you may hit the Escape key during processing
to abort the recognition phase.
The next two fields "input_file->output_file" indicate both the source
of the image to be processed (either from an image file or "SCANNER" if
from a direct scan) and the output file to receive the processed text.
Next is the resolution in dots per inch. This must be set if scanning
directly or reading from a PCX file.
Next is a block of 3 parameters inside angle brackets <PC*>. The "P",
if present, indicates that the image "preview" function is active. The
"C", if present, indicates that the online correction function is active.
The final character is the "unknown character", i.e. the character to
output if a mis-recognition occurs.
Finally, the last field indicates the selected scanner type.
#
TOP LEVEL MENU OPTIONS
Select "Start" to start the recognition process.
Select "Auto" to start recognition using the auto sheet feeder.
(Note: this option only appears if you are scanning directly and you
have the HP ScanJet auto sheet feeder attached)
Select "Options" to setup parameters for the recognition process.
Options that you need to set up are:
- the source of the image to be processed, either a file or the scanner
- the resolution of the image in dots per inch (dpi)
Note that the dpi may be automatically available if you are processing a TIFF
file since the majority of TIFF software includes this. (A warning is given
for TIFF files that do not provide this). Otherwise, if you are scanning
directly or reading a PCX file, then you need to set the dpi correctly.
PRO-CR(tm) has been optimized for the range 200 to 300 dots per inch. (For
more on setting a suitable dpi, see the manual).
#