sane-leo man page on JazzOS

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

       sane-leo - SANE backend for LEO Technologies scanners

       The  sane-leo library implements a SANE (Scanner Access Now Easy) back‐
       end that provides access to some LEO SCSI flatbed scanners. This	 back‐
       end  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	 main‐
       tainer 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 lev‐
	      els of gray (8 bits). Color will produce a 24 bits color image.

	      selects the resolution for a scan. The scanner can do all	 reso‐
	      lutions 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 coordinate, -x selects the width and -y the height of
	      the  scan	 area.	All parameters are specified in millimeters by

       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	  /system/resources/sane-back‐
       ends/1.0.18/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 imple‐
       ments 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.

sane-backends 1.0.18		 16 April 2002			   sane-leo(5)

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