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sane-teco3(5)		 SANE Scanner Access Now Easy		 sane-teco3(5)

NAME
       sane-teco3 - SANE backend for TECO / RELISYS scanners

DESCRIPTION
       The  sane-teco3	library	 implements  a	SANE (Scanner Access Now Easy)
       backend that provides access to some TECO SCSI flatbed  scanners.  This
       backend	should be considered alpha-quality software! TECO scanners are
       sold under various brands like RELYSIS, PIOTECH,	 TRUST.	 This  backend
       may or may not support yours.

       The scanners that should	work with this backend are:

		Vendor Model		     TECO model	  status
		---------------------------  ----------	 ----------
		Relisys	Scorpio		       VM3552	  tested
		Plustek	OpticPro 2400SP	       VM3552	  untested
		PIOTECH	Splendeur 3024	       VM3552	  tested
		Trust Imagery 2400 SP	       VM3552	  tested
		Trust Imagery 4800 SP+	       VM3552	  tested
		Trust Imagery 9600 SP	       VM3552	  untested

       The  TECO VM number can usually be found	at the back of the scanner. It
       is also part of the FCC ID.

       The options the backend supports	can either be selected through command
       line  options  to programs like scanimage(1) or through GUI elements in
       xscanimage(1) or	xsane(1).

       If you have any success with a scanner not listed here, or if  you  no-
       tice  any  strange behavior, please report to the backend maintainer or
       to the SANE mailing list.

OPTIONS
       Valid command line options and their syntax can be listed by using:

	      scanimage	--help -d teco3

       Scan Mode

       --mode Black & White|Grayscale|Color
	      Selects the basic	mode of	operation of the scanner.  The Black _
	      White mode is black and white only (1 bit).  Grayscale will pro-
	      duce 256 levels of gray (8 bits).	 Color will produce  a	24-bit
	      color image.

       --resolution 1..1200
	      Selects  the resolution for a scan. The scanner can do all reso-
	      lutions between 1	and 1200, in increments	of 1.

       --preview
	      Requests a preview scan. The resolution used for that scan is 22
	      dpi  and	the scan area is the maximum allowed. The scan mode is
	      user selected. The default is "no".

       Geometry	options

       -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  by
	      default.

OPTIONS	FOR COLOR MODE ONLY
       --custom-gamma
	      Allows the user to specify a gamma table (see the	next 3 parame-
	      ters).

       --red-gamma-table
	      Can be used to download a	user defined gamma table for  the  red
	      channel. The table must be 1024 bytes long.

       --green-gamma-table
	      Can be used to download a	user defined gamma table for the green
	      channel. The table must be 1024 bytes long.

       --blue-gamma-table
	      Can be used to download a	user defined gamma table for the  blue
	      channel. The table must be 1024 bytes long.

CONFIGURATION FILE
       The  configuration  file	/usr/local/etc/sane.d/teco3.conf supports only
       one item: the device name to use	(eg /dev/scanner).

FILES
       /usr/local/lib/sane/libsane-teco3.a
	      The static library implementing this backend.

       /usr/local/lib/sane/libsane-teco3.so
	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

ENVIRONMENT
       SANE_DEBUG_TECO3
	      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
       The windows TWAIN driver	has many more options than this	SANE  backend.
       However	they  are  only	software adjustments. This backend only	imple-
       ments what the scanner can support.

BUGS
       Not much.

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/#teco3

				  14 Jul 2008			 sane-teco3(5)

NAME | DESCRIPTION | OPTIONS | OPTIONS FOR COLOR MODE ONLY | CONFIGURATION FILE | FILES | ENVIRONMENT | LIMITATIONS | BUGS | SEE ALSO | AUTHOR

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