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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
commit1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (patch)
treed78102ce30207c63e7608eeba743efd680c888dc /doc/sane-bh.man
parent58912f68c2489bcee787599837447e0d64dfd61a (diff)
New upstream version 1.0.28upstream/1.0.28
Diffstat (limited to 'doc/sane-bh.man')
-rw-r--r--doc/sane-bh.man138
1 files changed, 69 insertions, 69 deletions
diff --git a/doc/sane-bh.man b/doc/sane-bh.man
index 8306976..2c0fadc 100644
--- a/doc/sane-bh.man
+++ b/doc/sane-bh.man
@@ -30,7 +30,7 @@ COPISCAN II 3338(A) Simplex Scanner (with ACE)
.PP
If you have a Bell+Howell scanner and are able to test it with this
backend, please contact
-.IR sane\-devel@lists.alioth.debian.org
+.IR sane\-devel@alioth-lists.debian.net
with the model number and testing results. Have a look at
http://www.sane\-project.org/mailing\-lists.html concerning subscription to
sane\-devel. Additionally, the author is curious as to the likelihood of using
@@ -38,17 +38,17 @@ this backend with the newer 4000 and 8000 series scanners. If you have such a
beast, please let me know.
.PP
The Bell+Howell Copiscan II series document scanners are high
-volume, high throughput scanners designed for document scanning
+volume, high throughput scanners designed for document scanning
applications. As such, they are lineart/grayscale scanners supporting
-a fixed number of fairly low resolutions (e.g. 200/240/300dpi).
-However, they do have a number of interesting and useful features
-suited to needs of document imaging applications.
+a fixed number of fairly low resolutions (e.g. 200/240/300dpi).
+However, they do have a number of interesting and useful features
+suited to needs of document imaging applications.
This backend attempts to support as many of these features as possible.
.PP
The main technical reference used in writing this backend is the
-.B Bell and Howell Copiscan II Remote SCSI Controller (RSC) OEM
-.B Technical Manual Version 1.5.
-The Linux SCSI programming HOWTO, the SANE API documentation, and
+.B Bell and Howell Copiscan II Remote SCSI Controller (RSC) OEM
+.B Technical Manual Version 1.5.
+The Linux SCSI programming HOWTO, the SANE API documentation, and
SANE source code were also extremely valuable resources.
.PP
@@ -80,9 +80,9 @@ The contents of the
.I bh.conf
file is a list of device names that correspond to Bell+Howell
scanners. See sane\-scsi(5) on details of what constitutes a valid device name.
-Additionally, options can be specified; these lines begin with the word "option".
-Each option is described in detail below. Empty lines and lines starting
-with a hash mark (#) are ignored.
+Additionally, options can be specified; these lines begin with the word "option".
+Each option is described in detail below. Empty lines and lines starting
+with a hash mark (#) are ignored.
.SH OPTIONS
The following options can be specified in the
@@ -99,9 +99,9 @@ These frames are generated based on the compression and barcode options.
These frames are never sent in preview mode.
.TP
.B fake\-inquiry
-This option is used for debugging purposes and its use is not encouraged.
+This option is used for debugging purposes and its use is not encouraged.
Essentially, it allows the backend to initialize in the absence of
-a scanner. This is useful for development and not much else.
+a scanner. This is useful for development and not much else.
This option must be specified earlier in the configuration file than
the devices which are to be "faked".
@@ -144,8 +144,8 @@ levels reduce verbosity.
.TP
.B ADF support
With document scanners, automatic document feeder (ADF) support is a key
-feature. The backend supports the ADF by default and returns
-.B SANE_STATUS_NO_DOCS
+feature. The backend supports the ADF by default and returns
+.B SANE_STATUS_NO_DOCS
when the out-of-paper condition is detected. The SANE frontend
.B scanadf
is a command line frontend that supports multi-page scans. It has been
@@ -158,8 +158,8 @@ scans is included in xsane version 0.35 and above.
.B Duplex scanning
Some models, such as the COPISCAN II 6338, support duplex scanning. That
is, they scan both sides of the document during a single pass through the
-scanner (the scanner has two cameras). This backend supports duplex
-scanning (with the
+scanner (the scanner has two cameras). This backend supports duplex
+scanning (with the
.B \-\-duplex
option). The front and back page images are delivered consecutively
as if they were separately scanned pages.
@@ -167,16 +167,16 @@ as if they were separately scanned pages.
.TP
.B Hardware compression
The scanner is capable of compressing the data into several industry
-standard formats (CCITT G3, CCITT G3-2D, CCITT G4). This results in
+standard formats (CCITT G3, CCITT G3-2D, CCITT G4). This results in
increased performance as less data is passed from the scanner to the
host over the SCSI bus. The backend supports these compression formats
-via the
+via the
.B \-\-g31d, \-\-g32d, \-\-g42d
options, respectively. Many SANE frontends are not equipped to deal with
these formats, however. The SANE frontend
.B scanadf
-supports these optional frame formats. The compressed image data
-is written directly to a file and can then be processed by a scan-script
+supports these optional frame formats. The compressed image data
+is written directly to a file and can then be processed by a scan-script
using the
.B \-\-scan\-script
option. Examples of this are given on the scanadf homepage.
@@ -197,18 +197,18 @@ parameters must remain constant during the entire batch.
.TP
.B Icon Generation
The Icon function generates a thumbnail of the full page image, that can be
-transferred as if it were a separate page. This allows the host to
+transferred as if it were a separate page. This allows the host to
quickly display a thumbnail representation during the scanning operation.
-Perhaps this would be a great way of implementing a preview scan, but
+Perhaps this would be a great way of implementing a preview scan, but
since a normal scan is so quick, it might not be worth the trouble.
.TP
.B Multiple Sections
Multiple sections (scanning sub-windows) can be defined for the front and
-back pages. Each section can have different characteristics (e.g. geometry,
+back pages. Each section can have different characteristics (e.g. geometry,
compression). The sections are returned as if they were separately
scanned images. Additionally sections can be used to greatly enhance the
-accuracy and efficiency of the barcode/patchcode decoding process by
+accuracy and efficiency of the barcode/patchcode decoding process by
limiting the search area to a small subset of the page. Most Copiscan II
series scanners support up to 8 user-defined sections.
@@ -218,18 +218,18 @@ The RSC unit can recognize Bar and Patch Codes of various types embedded
in the scanned image. The codes are decoded and the data is returned to
the frontend as a text frame. The text is encoded in xml and contains
a great deal of information about the decoded data such as the location
-where it was found, its orientation, and the time it took to find.
-Further information on the content of this text frame as well as some
+where it was found, its orientation, and the time it took to find.
+Further information on the content of this text frame as well as some
barcode decoding examples can be found on the backend homepage.
.SH LIMITATIONS
.TP
.B Decoding a single barcode type per scan
The RSC unit can search for up to six different barcode types at a time.
-While the code generally supports this as well, the
+While the code generally supports this as well, the
.B \-\-barcode\-search\-bar
-option only allows the user to specify a single barcode type.
-Perhaps another option which allows a comma separated list of barcode
+option only allows the user to specify a single barcode type.
+Perhaps another option which allows a comma separated list of barcode
type codes could be added to address this.
.TP
.B Scanning a fixed number of pages in batch mode
@@ -241,12 +241,12 @@ prior to initiating the last scan command. Currently, there is no mechanism
available for the frontend to pass this knowledge to the backend.
If batch mode is enabled and the \-\-end\-count terminates a scanadf session,
an extra page will be pulled through the scanner, but is neither read
-nor delivered to the frontend. The issue can be avoided by specifying
+nor delivered to the frontend. The issue can be avoided by specifying
\-\-batch=no when scanning a fixed number of pages.
.TP
.B Revision 1.2 Patch detector
There is an enhanced patchcode detection algorithm available in the RSC
-with revision 1.2 or higher that is faster and more reliable than the
+with revision 1.2 or higher that is faster and more reliable than the
standard Bar/Patch code decoder. This is not currently supported.
.SH OPTIONS
@@ -255,14 +255,14 @@ standard Bar/Patch code decoder. This is not currently supported.
.TP
.B \-\-preview[=(yes|no)] [no]
Request a preview-quality scan. When preview is set to yes image
-compression is disabled and the image is delivered in a
+compression is disabled and the image is delivered in a
SANE_FRAME_GRAY frame.
.TP
.B \-\-mode lineart|halftone [lineart]
Selects the scan mode (e.g., lineart,monochrome, or color).
.TP
.B \-\-resolution 200|240|300dpi [200]
-Sets the resolution of the scanned image. Each scanner model supports
+Sets the resolution of the scanned image. Each scanner model supports
a list of standard resolutions; only these resolutions can be used.
.TP
.B \-\-compression none|g31d|g32d|g42d [none]
@@ -313,7 +313,7 @@ Bottom-right y position of scan area.
.B Feeder Options:
.TP
.B \-\-source Automatic Document Feeder|Manual Feed Tray [Automatic Document Feeder]
-Selects the scan source (such as a document feeder). This option is provided
+Selects the scan source (such as a document feeder). This option is provided
to allow multiple image scans with xsane; it has no other purpose.
.TP
.B \-\-batch[=(yes|no)] [no]
@@ -329,7 +329,7 @@ affect both the front and back pages.
.TP
.B \-\-timeout\-adf 0..255 [0]
Sets the timeout in seconds for the automatic document feeder (ADF).
-The value 0 specifies the hardware default value which varies based
+The value 0 specifies the hardware default value which varies based
on the scanner model.
.TP
.B \-\-timeout\-manual 0..255 [0]
@@ -388,40 +388,40 @@ feature is completely disabled. The valid barcode type are:
.RS
.br
.B none
-.br
+.br
.B ean\-8
.br
.B ean\-13
-.br
+.br
.B reserved\-ean\-add
-.br
+.br
.B code39
-.br
+.br
.B code2\-5\-interleaved
-.br
+.br
.B code2\-5\-3lines\-matrix
-.br
+.br
.B code2\-5\-3lines\-datalogic
-.br
+.br
.B code2\-5\-5lines\-industrial
-.br
+.br
.B patchcode
-.br
+.br
.B codabar
-.br
+.br
.B codabar\-with\-start\-stop
-.br
+.br
.B code39ascii
-.br
+.br
.B code128
-.br
+.br
.B code2\-5\-5lines\-iata
.br
.RE
.TP
.B \-\-barcode\-search\-count 1..7 [3]
Number of times that the RSC performs the decoding algorithm. Specify
-the smallest number possible to increase performance. If you are having
+the smallest number possible to increase performance. If you are having
trouble recognizing barcodes, it is suggested that you increase this option
to its maximum value (7).
.TP
@@ -440,7 +440,7 @@ are:
.RE
.TP
.B \-\-barcode\-hmin 0..1660mm [5]
-Sets the barcode minimum height in millimeters (larger values increase
+Sets the barcode minimum height in millimeters (larger values increase
recognition speed). Of course the actual barcodes in the document must be
of sufficient size.
.TP
@@ -450,67 +450,67 @@ expires, the decoder will stop trying to decode barcodes.
.TP
.B \-\-section <string> []
Specifies a series of image sections. A section can be used to gather
-a subset image or to provide a small area for barcode decoding.
+a subset image or to provide a small area for barcode decoding.
Each section is specified in the following format (units are in millimeters):
.PP
.B <width>x<height>+<top-left-x>+<top-left-y>[:functioncode...]
-.PP
+.PP
Multiple sections can be specified by separating them with commas.
.PP
For example
.B 76.2x25.4+50.8+0:frontbar
-identifies an area 3 inches wide and 1 inch high with a top left corner
+identifies an area 3 inches wide and 1 inch high with a top left corner
at the top of the page two inches from the left hand edge of the page.
-This section will be used for barcode decoding on the front page only.
+This section will be used for barcode decoding on the front page only.
.PP
For example
-.B 50.8x25.4+25.4+0:frontbar:front:g42d
-identifies an area 2 inches wide and 1 inch high with a top left corner
-at the top of the page one inch from the left hand edge of the page.
-This section will be used for barcode decoding on the front page as well
-as generating an image compressed in g42d format.
+.B 50.8x25.4+25.4+0:frontbar:front:g42d
+identifies an area 2 inches wide and 1 inch high with a top left corner
+at the top of the page one inch from the left hand edge of the page.
+This section will be used for barcode decoding on the front page as well
+as generating an image compressed in g42d format.
.PP
Ordinarily barcodes are searched in the entire image. However, when you
specify sections all barcode searching is done within the specific sections
-identified. This can significantly speed up the decoding process.
+identified. This can significantly speed up the decoding process.
The following functioncodes are available:
.RS
.br
.B front
\- generate an image for the front page section
-.br
+.br
.B back
\- generate an image for the back page section
.br
.B frontbar
\- perform barcode search in front page section
-.br
+.br
.B backbar
\- perform barcode search in back page section
.br
.B frontpatch
\- perform patchcode search in front page section
-.br
+.br
.B backpatch
\- perform patchcode search in back page section
.br
.B none
\- use no image compression
-.br
+.br
.B g31d
\- use Group 3 1 dimension image compression
-.br
+.br
.B g32d
\- use Group 3 2 dimensions image compression
-.br
+.br
.B g42d
\- use Group 4 2 dimensions image compression
.br
.RE
.PP
If you omit a compression functioncode, the full page compression setting
-is used. If you specify multiple compression functioncodes, only the
+is used. If you specify multiple compression functioncodes, only the
last one is used.
.TP
@@ -536,7 +536,7 @@ This is a new backend; detailed bug reports are welcome -- and expected ;)
If you have found something that you think is a bug, please attempt to
recreate it with the SANE_DEBUG_BH environment variable set to
255, and send a report detailing the conditions surrounding the bug to
-.IR sane\-devel@lists.alioth.debian.org .
+.IR sane\-devel@alioth-lists.debian.net .
.SH "SEE ALSO"
sane(7), sane\-scsi(5), scanimage(1), scanadf(1)