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159 wiersze
5.9 KiB
HTML
<HTML>
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<TITLE>sane-sceptre.5</TITLE>
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<BODY BGCOLOR=#FFFFFF TEXT=#000000><H1 ALIGN=CENTER><IMG SRC="/images/sane.png" HEIGHT=117 WIDTH=346></H1>
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<H1>sane-sceptre.5</H1>
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<HR>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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<B><A HREF="sane-sceptre.5.html">sane-sceptre(5)</A></B> SANE Scanner Access Now Easy <B><A HREF="sane-sceptre.5.html">sane-sceptre(5)</A></B>
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</PRE>
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<H2>NAME</H2><PRE>
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sane-sceptre - SANE backend for SCEPTRE scanners
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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The <B>sane-sceptre</B> library implements a SANE (Scanner Access Now Easy)
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backend that provides access to Sceptre flatbed scanners. This backend
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should be considered <B>beta-quality</B> software! Please report any strange
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behavior to the maintainer of the backend or to the SANE mailing list.
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At present, only one scanner is known to work with this backend:
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Model Connection Type
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--------------------------- -------------------
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Sceptre VividScan S1200 SCSI
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The make of this scanner is KINPO, so other scanners from that manufac-
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turer may also work (eg. the S600).
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</PRE>
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<H2>OPTIONS</H2><PRE>
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The options the backend supports can either be selected through command
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line options to programs like scanimage or through GUI elements in
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xscanimage or xsane.
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Valid command line options and their syntax can be listed by using
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scanimage --help -d sceptre
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<B>Scan</B> <B>Mode</B>
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<B>--mode</B> selects the basic mode of operation of the scanner valid choices
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are <I>Lineart,</I> <I>Halftone,</I> <I>Gray</I> <I>and</I> <I>Color.</I> The Lineart and Haltone
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mode are black and white only (1 bit). Gray will produce 256
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levels of gray (8 bits). Color will produce a 24 bits color
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image. The scanner suports 30 bits internally but it only
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exports 24.
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<B>--resolution</B>
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selects the resolution for a scan. The scanner can do several
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resolutions between 50 and 1200.
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<B>--halftone-pattern</B>
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selects the pattern mode that is used in Halftone mode. Valid
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options are 1, 2, 3 and 4.
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<B>--gamma-correction</B>
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controls the scanner internal gamma correction. Valid options
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are "Default", "User defined", "High density printing" "Low den-
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sity printing" and "High contrast printing".
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<B>--custom-gamma</B>
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(color mode only) allows the user to specify a gamma table (see
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the next 3 parameters).
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<B>--red-gamma-table</B>
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(color mode only) can be used to download a user defined gamma
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table for the red channel. The table must be 256 bytes long.
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<B>--green-gamma-table</B>
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(color mode only) can be used to download a user defined gamma
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table for the green channel. The table must be 256 bytes long.
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<B>--blue-gamma-table</B>
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(color mode only) can be used to download a user defined gamma
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table for the blue channel. The table must be 256 bytes long.
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<B>--threshold</B>
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sets the threshold for black and white pixels in lineart mode.
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Possible values are from 0 (darker) to 255 (lighter).
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<B>--preview</B>
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requests a preview scan. The resolution used for that scan is 30
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dpi and the scan area is the maximum allowed. The scan mode is
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user selected. The default is "no".
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<B>The</B> <B>geometry</B> <B>options</B>
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<B>-l</B> <B>-t</B> <B>-x</B> <B>-y</B>
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control the scan area: -l sets the top left x coordinate, -t the
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top left y coordinate, -x selects the width and -y the height of
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the scan area. All parameters are specified in milimeters by
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default.
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</PRE>
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<H2>CONFIGURATION FILE</H2><PRE>
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The configuration file /usr/local/etc/sane.d/sceptre.conf supports only
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one information: the device name to use (eg /dev/scanner).
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</PRE>
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<H2>FILES</H2><PRE>
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<I>/usr/local/lib/sane/libsane-sceptre.a</I>
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The static library implementing this backend.
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<I>/usr/local/lib/sane/libsane-sceptre.so</I>
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The shared library implementing this backend (present on systems
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that support dynamic loading).
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</PRE>
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<H2>ENVIRONMENT</H2><PRE>
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<B>SANE_DEBUG_SCEPTRE</B>
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If the library was compiled with debug support enabled, this
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environment variable controls the debug level for this backend.
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E.g., a value of 128 requests all debug output to be printed.
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Smaller levels reduce verbosity.
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</PRE>
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<H2>LIMITATIONS</H2><PRE>
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<B>Resolutions</B>
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The windows TWAIN driver can be set to any resolution between 50
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to 1200 (excluding software interpolation). This backend cannot.
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Only a handful of resolution are available, although they should
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be numerous enough.
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</PRE>
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<H2>BUGS</H2><PRE>
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None known.
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B><A HREF="sane-scsi.5.html">sane-scsi(5)</A></B>, <B><A HREF="scanimage.1.html">scanimage(1)</A></B>, <B><A HREF="xscanimage.1.html">xscanimage(1)</A></B>, <B><A HREF="xsane.1.html">xsane(1)</A></B>, <B><A HREF="sane.7.html">sane(7)</A></B>
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</PRE>
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<H2>AUTHOR</H2><PRE>
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The package is actively maintained by Frank Zago.
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http://www.zago.net/sane/#sceptre
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sane-backends 1.0.13 April 21st, 2002 <B><A HREF="sane-sceptre.5.html">sane-sceptre(5)</A></B>
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</PRE>
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