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

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

       sane-leo - SANE backend for LEO Technologies scanners

       The  sane-leo  library  implements  a SANE (Scanner Access Now Easy) backend that provides
       access to some LEO SCSI flatbed scanners. This backend should be  considered  beta-quality
       software! LEO scanners were also sold under the Across Technologies brand.

       The scanners that should work with this backend are:

		 Vendor Model		status
	      ----------------------  -----------
		Across FS-1130		tested
		Leo S3			tested

       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 strange behavior, 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 leo

       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.

	      selects the resolution for a scan. The scanner can do all resolutions between 1 and
	      300, 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

	      (grayscale  and  color mode only) allows the user to specify a gamma table (see the
	      next 3 parameters).

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

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

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

	      (Black & White only) select the halftone mask to use. Possible values are Diamond ,
	      8x8 Coarse Fatting , 8x8 Fine Fatting , 8x8 Bayer and 8x8 Vertical Line

	      requests a preview scan. The resolution used for that scan is 28 dpi and	the  scan
	      area is the maximum allowed. The scan mode is user selected. The default is "no".

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

	      The static library implementing this backend.

	      The shared library implementing this  backend  (present  on  systems  that  support
	      dynamic loading).

	      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.

       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.

       None known.

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

       The package is actively maintained by Frank Zago.

					  16 April 2002 			      sane-leo(5)

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