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RedHat 9 (Linux i386) - man page for sane-teco2 (redhat section 5)

sane-teco2(5)			       File Formats Manual			    sane-teco2(5)

NAME
       sane-teco2 - SANE backend for TECO / RELISYS scanners

DESCRIPTION
       The  sane-teco2	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 Relisys, 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 Super 3  VM3575 	tested
		Apollo Express 6	 VM656A 	tested
		Scorpio Pro-S		 VM6586 	tested

       Note that the untested scanner will not be directly  supported.	You  should  contact  the
       author for that.

       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 or through GUI elements in xscanimage or xsane.

       If  you have any success with a scanner not listed here, or if you have any strange behav-
       ior, please report to the backend maintainer or to the SANE mailing list.

       Valid command line options and their syntax can be listed by using
	      scanimage --help -d teco2

       Scan Mode

       --mode selects the basic mode of operation of the scanner valid choices are Black &  White
	      ,  Grayscale  and  Color	The  Black  & White mode is black and white only (1 bit).
	      Grayscale will produce 256 levels of gray (8 bits). Color will produce  a  24  bits
	      color image.

       --resolution
	      selects the resolution for a scan. The scanner can do all resolutions between 1 and
	      600, in increments of 1.

       Geometry options

       -l -t -x -y
	      control the scan area: -l sets the top left x coordinate, -t the top left y coordi-
	      nate,  -x  selects the width and -y the height of the scan area. All parameters are
	      specified in millimeters by default.

       Enhancement options

       --custom-gamma
	      (color mode only) allows the user to specify a gamma table (see the next 3  parame-
	      ters).

       --red-gamma-table
	      (color  mode  only)  can be used to download a user defined gamma table for the red
	      channel. The table must be 256 bytes long.

       --green-gamma-table
	      (color mode only) can be used to download a user defined gamma table for the  green
	      channel. The table must be 256 bytes long.

       --blue-gamma-table
	      (color  mode  only) can be used to download a user defined gamma table for the blue
	      channel. The table must be 256 bytes long.

       --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".

CONFIGURATION FILE
       The  configuration  file  /etc/sane.d/teco2.conf supports only one information: the device
       name to use (eg /dev/scanner).

FILES
       /usr/lib/sane/libsane-teco2.a
	      The static library implementing this backend.

       /usr/lib/sane/libsane-teco2.so
	      The shared library implementing this  backend  (present  on  systems  that  support
	      dynamic loading).

ENVIRONMENT
       SANE_DEBUG_TECO2
	      If  the  library was compiled with debug support enabled, this environment 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 implements what the scanner can support.

BUGS
       Plenty. Parts of this backend are still under development.

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

AUTHOR
       The package is actively maintained by Frank Zago.
	   http://fz.eryx.net/sane/#teco2

CREDITS
       Thanks to:

       Gerard Klaver for his relentless VM3575 testings.

       Mark Plowman for providing the first SCSI traces from a VM3575.

       Andreas Klaedtke for providing the first SCSI traces from a VM6586 and  for  his  testing,
       and to Stefan von Dombrowski for his testing.

       Nicolas Peyresaubes for providing the first SCSI traces from a VM656A and for his testing.

       Dave Parker for testing the support for the VM6575.

					  19 March 2002 			    sane-teco2(5)


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