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NAME    [Toc]    [Back]

       sane-abaton - SANE backend for Abaton flatbed scanners

DESCRIPTION    [Toc]    [Back]

       The  sane-abaton  library  implements  a SANE (Scanner Access Now Easy)
       backend that provides access to Abaton flatbed  scanners.  At  present,
       only the Scan 300/GS (8bit, 256 levels of gray) is fully supported, due
       to the absence of programming information.  The Scan 300/S  (black  and
       white) is recognized, but support for it is untested.

       If you own a Abaton scanner other than the ones listed above that works
       with this backend, or if you own an Abaton scanner that does  not  work
       with this backend, please contact sane-devel@mostang.com with the model
       number, so that arrangements can be made to  include  support  for  it.
       Have  a	look  at http://www.mostang.com/sane/mail.html concerning subscription
 to sane-devel.

       Abaton is out of business, and these  scanners  are  not  supported  by
       Everex  (the  parent  company  of Abaton), nor is there any programming
       information to be found.  This driver is therefore based on information
       obtained  by running Abaton's scanning desk accessory under MacsBug and
       tracing the MacOS SCSI Manager calls it made during image  acquisition.

       However,  the  protocol is very similar to, though not compatible with,
       the one used by the Apple scanners, therefore, if this backend is  ever
       extended  to  support  the  other Abaton models (they also made a color
       flatbed scanner), it may be possible to fill in some  "missing  pieces"
       from the (quite detailed) Apple scanner documentation.

DEVICE NAMES    [Toc]    [Back]

       This backend expects device names of the form:


       Where  special is the path-name for the special device that corresponds
       to a SCSI scanner. For SCSI scanners, the special device name must be a
       generic SCSI device or a symlink to such a device.  Under Linux, such a
       device name takes a format such as /dev/sga or /dev/sg0,  for  example.
       See sane-scsi(5) for details.

CONFIGURATION    [Toc]    [Back]

       The  contents  of  the  abaton.conf file is a list of device names that
       correspond to Abaton scanners.  Empty lines and lines starting  with  a
       hash mark (#) are ignored.  See sane-scsi(5) on details of what constitutes
 a valid device name.

FILES    [Toc]    [Back]

	      The  backend  configuration  file  (see  also   description   of
	      SANE_CONFIG_DIR below).

	      The static library implementing this backend.

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

ENVIRONMENT    [Toc]    [Back]

	      This environment variable specifies the list of directories that
	      may contain the configuration file.  Under UNIX, the directories
	      are separated by a colon (`:'), under OS/2, they	are  separated
	      by a semi-colon (`;').  If this variable is not set, the configuration
 file is searched in two default directories: first,  the
	      current working directory (".") and then in /etc/sane.d.	If the
	      value of the environment variable ends with the directory  separator
 character, then the default directories are searched after
	      the explicitly  specified  directories.	For  example,  setting
	      SANE_CONFIG_DIR  to  "/tmp/config:"  would result in directories
	      "tmp/config", ".", and "/etc/sane.d"  being  searched  (in  this

       SANE_DEBUG_ABATON    [Toc]    [Back]
	      If  the  library	was  compiled with debug support enabled, this
	      environment variable controls the debug level for this  backend.
	      E.g.,  a	value  of 255 requests all debug output to be printed.
	      Smaller levels reduce verbosity.

BUGS    [Toc]    [Back]

       There are a few known ones, and definitely some unknown ones.

       Scan area miscalculations    [Toc]    [Back]
	      For the sake of programmer efficiency, this backend handles  all
	      measurements  in	millimetres,  and  floors (rather than rounds)
	      values to  avoid	possible  damage  to  the  scanner  mechanism.
	      Therefore,  it  may not be possible to scan to the extreme right
	      or bottom edges of the page.

       Cancelling the scan    [Toc]    [Back]
	      This might not work correctly, or it might abort	the  frontend.
	      The former is more likely than the latter.

       If  you have found something that you think is a bug, please attempt to
       recreate it with the SANE_DEBUG_ABATON environment variable set to 255,
       and  send  a  report  detailing	the  conditions surrounding the bug to

TODO    [Toc]    [Back]

       Implement non-blocking support

       Finish reverse-engineering the MacOS driver    [Toc]    [Back]
	      This will allow me to add support for other models with  reasonable
  confidence	that it will work, as well as to fully exploit
	      the information returned by the INQUIRY command.

SEE ALSO    [Toc]    [Back]

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

AUTHOR    [Toc]    [Back]

       The sane-abaton backend was partially written by David  Huggins-Daines,
       based on the sane-apple backend by Milon Firikis.

				  19 Nov 1998			sane-abaton(5)
[ Back ]
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