The  sane-sceptre  library  implements a SANE (Scanner Access Now Easy)
       backend that provides access to Sceptre flatbed scanners. This  backend
       should  be  considered beta-quality software! Please report any strange
       behavior to the maintainer of the backend or to the SANE mailing list.

       At present, only one scanner is known to work with this backend:

              Model                        Connection Type
              ---------------------------  -------------------
              Sceptre VividScan S1200      SCSI

       The make of this scanner is KINPO, so other scanners from that manufac-
       turer may also work (eg. the S600).

       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.

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

       Scan Mode

       --mode selects the basic mode of operation of the scanner valid choices
              are Lineart, Halftone, Gray and Color.  The Lineart and Halftone
              mode  are  black  and  white only (1 bit). Gray will produce 256
              levels of gray (8 bits). Color will  produce  a  24  bits  color
              image.  The  scanner  supports  30  bits  internally but it only
              exports 24.

              selects the resolution for a scan. The scanner  can  do  several
              resolutions between 50 and 1200.

              selects  the  pattern  mode that is used in Halftone mode. Valid
              options are 1, 2, 3 and 4.

              controls the scanner internal gamma  correction.  Valid  options
              are "Default", "User defined", "High density printing" "Low den-
              sity printing" and "High contrast printing".

              (color mode only) allows the user to specify a gamma table  (see

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

              sets the threshold for black and white pixels in  lineart  mode.
              Possible values are from 0 (darker) to 255 (lighter).

              requests a preview scan. The resolution used for that scan is 30
              dpi and the scan area is the maximum allowed. The scan  mode  is
              user selected. The default is "no".

       The 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

       The  configuration  file  /etc/sane.d/sceptre.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.


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

       The package is actively maintained by Frank Zago.

                                  11 Jul 2008                  sane-sceptre(5)
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