kopia lustrzana https://gitlab.com/sane-project/website
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159 wiersze
6.0 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 <B><A HREF="scanimage.1.html">scanimage(1)</A></B> or through GUI elements in
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<B><A HREF="xscanimage.1.html">xscanimage(1)</A></B> or <B><A HREF="xsane.1.html">xsane(1)</A></B>.
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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> <B>Lineart|Halftone|Gray|Color</B>
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Selects the basic mode of operation of the scanner. The <I>Lineart</I>
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and <I>Halftone</I> mode are black and white only (1 bit). <I>Gray</I> will
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produce 256 levels of gray (8 bits). <I>Color</I> will produce a 24
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bits color image. The scanner supports 30 bits internally but it
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only exports 24.
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<B>--resolution</B> <B>50..1200</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> <B>1|2|3|4</B>
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Selects the pattern mode that is used in <I>Halftone</I> mode.
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<B>--gamma-correction</B> <B>Default|User</B> <B>Defined|High</B> <B>Density</B> <B>Printing|Low</B> <B>den-</B>
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<B>sity</B> <B>printing|High</B> <B>contrast</B> <B>printing</B>
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controls the scanner internal gamma correction.
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<B>--custom-gamma</B>
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Allows the user to specify a gamma table (see the next 3 parame-
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ters). <I>Color</I> mode only.
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<B>--red-gamma-table</B>
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Can be used to download a user defined gamma table for the red
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channel. The table must be 256 bytes long. <I>Color</I> mode only.
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<B>--green-gamma-table</B>
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Can be used to download a user defined gamma table for the green
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channel. The table must be 256 bytes long. <I>Color</I> mode only.
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<B>--blue-gamma-table</B>
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Can be used to download a user defined gamma table for the blue
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channel. The table must be 256 bytes long. <I>Color</I> mode only.
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<B>--threshold</B> <B>0..255</B>
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Sets the threshold for black and white pixels in <I>Lineart</I> 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: <B>-l</B> sets the top left x coordinate, <B>-t</B> the
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top left y coordinate, <B>-x</B> selects the width and <B>-y</B> the height of
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the scan area. All parameters are specified in millimeters 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 <I>/usr/local/etc/sane.d/sceptre.conf</I> supports only
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one item: the device name to use (eg <I>/dev/scanner</I>).
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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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<I>http://www.zago.net/sane/#sceptre</I>
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11 Jul 2008 <B><A HREF="sane-sceptre.5.html">sane-sceptre(5)</A></B>
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</PRE>
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