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sane-artec_eplus48u(5)                SANE                sane-artec_eplus48u(5)




NAME

       sane-artec_eplus48u - SANE backend for the scanner Artec E+ 48U and re-
       badged models


DESCRIPTION

       The sane-artec_eplus48u library implements a SANE (Scanner Access Now
       Easy) backend that provides access to several USB flatbed scanners using
       the GT6816 chipset like the Artec E+ 48U.  These scanners have a contact
       image sensor (CIS).

       A complete list of supported devices can be found on
       http://www.sane-project.org/sane-supported-devices.html.

       This is ALPHA software. Especially if you test new or untested scanners,
       keep your hand at the scanner's plug and unplug it, if the head bumps at
       the end of the scan area.

       If you own a scanner other than the ones mentioned on the list that works
       with this backend, please let us know this by sending the scanner's exact
       model name and the USB vendor and product ids (e.g. from
       /proc/bus/usb/devices, sane-find-scanner(1) or syslog) to me. Even if the
       scanner's name is only slightly different from the models mentioned
       above, please let me know.


KERNEL ISSUES

       If libusb-0.1.6 or later is installed, this section can be skipped. The
       scanner should be found by sane-find-scanner(1) without further actions.
       For setting permissions and general USB information look at sane-usb(5).

       When you are using the scanner module, a Linux kernel 2.4.12 or newer is
       required.



FIRMWARE FILE

       You need a firmware file for your scanner. That's a small file containing
       software that will be uploaded to the scanner's memory. For the scanners
       mentioned above, it's usually named Artec48.usb or 1200.usb.  You can
       find it on the installation CD that was provided by the manufacturer,
       normally in the directory Win98, WinMe or similar.  If the Windows-driver
       is installed on your computer, then you can also find the firmware file
       under c:288vers.



CONFIGURATION

       The contents of the artec_eplus48u.conf file is a list of usb lines
       containing vendor and product ids that correspond to USB scanners. The
       file can also contain option lines.  Empty lines and lines starting with
       a hash mark (#) are ignored.  The scanners are autodetected by usb
       vendor_id product_id statements which are already included into
       artec_eplus48u.conf .  "vendor_id" and "product_id" are hexadecimal
       numbers that identify the scanner.

       Every usb section can have additional options.

       artecFirmwareFile /opt/local/share/sane/artec_eplus48u/Artec48.usb
              The path to the firmware file. This option is required.

       redGamma 1.0

       greenGamma 1.0

       blueGamma 1.0

       masterGamma 1.9
              These are the default gamma values. If you set the "Defaults"
              option with a frontend, then the gamma options are reset to the
              values specified here.

       redOffset 0x28

       greenOffset 0x2f

       blueOffset 0x2f

       redExposure 0xa7

       greenExposure 0x116

       blueExposure 0xdc
              These are the default values for offset and exposure time.  You
              can change them (e.g. to speed up calibration) if you don't want
              to save the calibration data permanently.

       vendorString Artec

       modelString E+ 48U
              By default, the scanner is reported as "Artec E+ 48U". If you
              don't like this, e.g.  because you have an Tevion MD 9693, then
              change the options accordingly.


FILES

       /usr/local/etc/sane.d/artec_eplus48u.conf
              The backend configuration file (see also description of
              SANE_CONFIG_DIR below).

       /usr/local/lib/sane/libsane-artec_eplus48u.a
              The static library implementing this backend.

       /usr/local/lib/sane/libsane-artec_eplus48u.so
              The shared library implementing this backend (present on systems
              that support dynamic loading).


ENVIRONMENT

       SANE_CONFIG_DIR
              This environment variable specifies the list of directories that
              may contain the configuration file.  On *NIX systems, 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
              /opt/local/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
              /opt/local/etc/sane.d being searched (in this order).

       SANE_DEBUG_ARTEC_EPLUS48U
              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_ARTEC_EPLUS48U=3



SEE ALSO

       sane(7), sane-usb(5)



AUTHOR

       Michael Herder.
       This backend is based on the gt68xx test-program written by Sergey
       Vlasov, Andreas Nowack, and David Stevenson. Thanks to everyone who
       tested the backend or reported bugs.
       This man page is based on man sane-gt68xx(5), written by Henning Meier-
       Geinitz.



BUGS

       This backend has been tested on Linux only. If you are using it on a
       different platform, please contact us.

       Interpolation with 1200 dpi is weak.

       Support for buttons is missing due to missing support in SANE.

       Please contact us if you find a bug:
       http://www.sane-project.org/bugs.html.



                                   11 Jul 2008            sane-artec_eplus48u(5)

sane-backends 1.2.1 - Generated Sat Feb 25 14:53:09 CST 2023
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