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sane-matsushita(5)	 SANE Scanner Access Now Easy	    sane-matsushita(5)

NAME
       sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners

DESCRIPTION
       The sane-matsushita library implements a	SANE (Scanner Access Now Easy)
       backend that provides access to some Panasonic KV-SS high  speed	 scan-
       ners. This backend is stable.

       At present, the following scanners are known to work with this backend:

		Product	id
	      --------------
		 KV-SS25
		 KV-SS25D
		 KV-SS55EX (*)
		 KV-S2025C (*)
		 KV-S2045C (*)
		 KV-S2065L (*)

       (*)  WARNING: None of the advanced options of these scanners are	avail-
       able (ie	no color, no high resolution, no  automatic  cropping).	 Basi-
       cally,  the  driver  does  no more than what it does for	the KV-SS25. I
       don't have access to such scanners, and thus cannot add these options.

       Other Panasonic high speed scanners may or may not work with that back-
       end.

       Valid command line options and their syntax can be listed by using
	      scanimage	--help -d matsushita

       Scan Mode

       --mode selects the basic	mode of	operation of the scanner.

       --resolution
	      selects  the resolution for a scan. Each model supports all or a
	      subset of	these resolutions: 100,	150, 200, 240, 300, 360, 400.

       --duplex
	      indicates	whether	to scan	both side of the sheet.

       --feeder-mode
	      selects the number of pages to scan (one or until	 the  tray  is
	      empty).

       Geometry

       --paper-size A4|...|Legal|Letter	[A4]
	      options  selects the area	to scan. It adjust the -l -t -x	-y op-
	      tions accordingly. It does not need to be	the real size  of  the
	      paper.

       -l -t -x	-y
	      control the scan area: -l	sets the top left x coordinate,	-t the
	      top left y coordinate, -x	selects	the width and -y the height of
	      the  scan	 area. All parameters are specified in millimeters. It
	      is possible to use the option --paper-size instead.

       Enhancement

       --brightness
	      controls the brightness of the acquired image. The value	varies
	      from 1 to	255, or	less, depending	on the scanner model.

       --contrast
	      controls	the contrast of	the acquired image. Some models	do not
	      support that option.

       --automatic-threshold
	      automatically sets brightness,  contrast,	 white	level,	gamma,
	      noise reduction and image	emphasis. These	options	are not	avail-
	      able when	automatic-threshold is in use.

       --halftone-pattern
	      option sets the tonal gradation for the halftone	mode.  Pattern
	      downloading is not implemented by	the backend.

       --autoseparation
	      provides automatic separation of text and	images.

       --white-level
	      option indicate the source of the	white base.

       --noise-reduction
	      reduces  the isolated dot	noise. This option is not supported by
	      all scanners.

       --image-emphasis
	      option sets the image emphasis. Some selection are not available
	      on all scanners.

       --gamma
	      options  set  the	 gamma curve. It is only valid for Gray	modes,
	      and is not available on all scanners. Gamma downloading  is  not
	      implemented by the backend.

CONFIGURATION FILE
       The  configuration  file	/usr/local/etc/sane.d/matsushita.conf supports
       the device name to use (eg /dev/scanner)	and the	SCSI option  to	 auto-
       detect the scanners supported.

FILES
       /usr/local/lib/sane/libsane-matsushita.a
	      The static library implementing this backend.

       /usr/local/lib/sane/libsane-matsushita.so
	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

ENVIRONMENT
       SANE_DEBUG_MATSUSHITA
	      If the library was compiled with debug support enabled, this en-
	      vironment	 variable  controls  the debug level for this backend.
	      E.g., a value of 128 requests all	debug output  to  be  printed.
	      Smaller levels reduce verbosity.

LIMITATIONS
       Memory in the KV-SS 25
	      The  KV-SS  25 has not enough internal memory to scan a whole A4
	      page in duplex mode at high resolution. The frontend will	return
	      a	 memory	 error in that case. Apparently, the KV-SS 25D has not
	      that problem.

       Pattern and gamma downloading
	      The scanner, with	the proper firmware, can download  a  halftone
	      pattern and a gamma table. This is not implemented.

       Sub-areas
	      The scanner can support up to 3 sub-areas	on each	side to	define
	      some more	precise	enhancement options. This is not implemented.

       Duplex mode
	      The backend does not support the setting	of  different  options
	      for  each	side. The scan will occur with the same	options	(half-
	      tone pattern, brightness,	image emphasis)	for both sides.

SCANNING EXAMPLE
       To date,	the only frontend capable of using this	scanner	at full	 speed
       is scanadf.

       A scanadf command line would be:

       scanadf	-d matsushita --output-file scan%04d.pbm --start-count 0 --du-
       plex --resolution 300 --feeder-mode="All	pages" --paper-size="A4"

BUGS
       None known.

SEE ALSO
       sane-scsi(5), scanimage(1), xscanimage(1), xsane(1), sane(7)

AUTHOR
       The package is actively maintained by Frank Zago.
	      http://www.zago.net/sane/#matsushita

				  11 Jul 2008		    sane-matsushita(5)

NAME | DESCRIPTION | CONFIGURATION FILE | FILES | ENVIRONMENT | LIMITATIONS | SCANNING EXAMPLE | BUGS | SEE ALSO | AUTHOR

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