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NAME    [Toc]    [Back]

       sane-avision  -	SANE backend for Avision (and OEM HP, Minolta) flatbed

ABOUT THIS FILE    [Toc]    [Back]

       This file only is a short descripton of the avision-backend for sane!

DESCRIPTION    [Toc]    [Back]

       The sane-avision library implements a SANE (Scanner  Access  Now  Easy)
       backend	that  provides access to Avision flatbed scanners and the Avision
 OEM scanners labelled with HP and Minolta.

CONFIGURATION    [Toc]    [Back]

       The    configuration    file    for    this    backend	 resides    in

       Its  contents  is a list of device names that correspond to Avision and
       Avision compatible scanners. Empty lines and lines starting with a hash
       mark (#) are ignored. A sample configuration file is shown below:

       I  suggest  you	hold one hand on the power-button of the scanner while
       you try the first scans!

	#scsi Vendor Model Type Bus Channel ID LUN

	# this is a comment
	option force-a4
	option allow-usb
	option disable-gamma-table

	- force-a4:
	  Forces the backend to overwrite the scanable area
	  returned by the scanner. This might be needed for
	  the AV 630 which returns no area - or newer scanners
	  which retuns the area in a unkown format our backend
	  doesn't recongize yet.

	- allow-usb:
	  Tells the backend to use USB scanner - which do not
	  work correctly yet.

	- disable-gamma-table:
	  Disables the usage of the scanner's gamma-table. You
	  might try this if your scans hang, or only produces
	  random garbage.

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.  The  special  device name must be a generic SCSI
       device or a symlink to such a device.   The  program  sane-find-scanner
       helps  to  find out the correct device. Under Linux, such a device name
       could be /dev/sga or  /dev/sge,	for  example.	See  sane-scsi(5)  for

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_AVISION    [Toc]    [Back]
	      If the library was compiled with	debug  support	enabled,  this
	      environment  variable controls the debug level for this backend.
	      Higher debug levels increase the verbosity of the output.

	      Example: export SANE_DEBUG_AVISION=4

SEE ALSO    [Toc]    [Back]

       sane(7), sane-scsi(5)

AUTHOR    [Toc]    [Back]

       Rene Rebe, Meino Christian Cramer and Martin Jelinek

				  10 Dec 2001		       sane-avision(5)
[ Back ]
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