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<H1>sane-teco1</H1>
Section: SANE Scanner Access Now Easy (5)<BR>Updated: 14 Jul 2008<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="ixAAB"></A>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
sane-teco1 - SANE backend for TECO / RELISYS scanners
<A NAME="lbAC">&nbsp;</A>
<H2>DESCRIPTION</H2>
The
<B>sane-teco1</B>
library implements a SANE (Scanner Access Now Easy) backend that
provides access to some TECO SCSI flatbed scanners. This backend
should be considered
<B>beta-quality</B>
software! TECO scanners are sold under
various brands like RELISYS, PIOTECH, TRUST. This backend may or
may not support yours.
<P>
The scanners that should work with this backend are:
<P>
<DL COMPACT><DT id="1"><DD>
<PRE>
Vendor Model TECO model status
---------------------- -------------- -----------
Relisys AVEC 2400 VM3520 tested
Relisys AVEC 2412 VM3520+ tested
Relisys AVEC 4800 VM4530 untested
Relisys AVEC 4816 VM4530+ untested
Relisys RELI 2400 VM3530 untested
Relisys RELI 2412 VM3530+ tested
Relisys RELI 2412 VM3530+ untested
Relisys RELI 4816 VM4540 tested
Relisys RELI 4830 VM4542 tested
Relisys RELI 9600 VM6530 untested
Relisys RELI 9612 VM6530* untested
Relisys RELI 9624 VM6530+ untested
Relisys RELI 9630 VM6540 untested
Relisys RELI DS15 VM3440 untested
Relisys RELI DS6 VM3420 untested
Dextra DF-600P VM3510 tested
Dextra DF-4830T VM4542 untested
Dextra DF-1200T+ VM3530+ untested
Dextra DF-9624 VM6530+ untested
</PRE>
</DL>
<P>
Note that the untested scanner will not be directly supported. You
should contact the author for that.
<P>
The TECO VM number can usually be found at the back of the scanner. It
is also part of the FCC ID. &quot;sane-find-scanner -v&quot; will also show the
scsi inquiry, and if it is a TECO scanner, the name will be there too.
<P>
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.
<P>
<BR>
If you have any success with a scanner not listed here, or if you have
any strange behavior, please report to the backend maintainer or to
the SANE mailing list.
<P>
Valid command line options and their syntax can be listed by using
<DL COMPACT><DT id="2"><DD>
scanimage --help -d teco1
</DL>
<P>
<DL COMPACT>
<DT id="3"><B>Scan Mode</B>
<DD>
<P>
<DT id="4"><B>--mode</B>
<DD>
selects the basic mode of operation of the scanner valid choices are
<I>Black &amp; White</I>
,
<I>Grayscale</I>
and
<I>Color</I>
The Black &amp; White mode is black and white only (1 bit). Grayscale
will produce 256 levels of gray (8 bits). Color will produce a 24 bits
color image.
<P>
<DT id="5"><B>--resolution</B>
<DD>
selects the resolution for a scan. The scanner can do all resolutions
between 1 and 600, in increments of 1.
<P>
<P>
<DT id="6"><B>Geometry options</B>
<DD>
<P>
<DT id="7"><B>-l -t -x -y</B>
<DD>
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 default.
<P>
<P>
<DT id="8"><B>Enhancement options</B>
<DD>
<P>
<DT id="9"><B>--custom-gamma</B>
<DD>
(color mode only) allows the user to specify a gamma table (see the
next 3 parameters).
<P>
<DT id="10"><B>--red-gamma-table</B>
<DD>
(color mode only) can be used to download a user defined
gamma table for the red channel. The table must be 256 bytes long.
<P>
<DT id="11"><B>--green-gamma-table</B>
<DD>
(color mode only) can be used to download a user defined
gamma table for the green channel. The table must be 256 bytes long.
<P>
<DT id="12"><B>--blue-gamma-table</B>
<DD>
(color mode only) can be used to download a user defined gamma table
for the blue channel. The table must be 256 bytes long.
<P>
<DT id="13"><B>--dither</B>
<DD>
(Black &amp; White only) select the dither mask to use. Possible values are
<I>Line art</I>
,
<I>2x2</I>
,
<I>3x3</I>
,
<I>4x4 bayer</I>
,
<I>4x4 smooth</I>
,
<I>8x8 bayer</I>
,
<I>8x8 smooth</I>
,
<I>8x8 horizontal</I>
and
<I>8x8 vertical</I>
<P>
<P>
<DT id="14"><B>--preview</B>
<DD>
requests a preview scan. The resolution used for that scan is 22 dpi
and the scan area is the maximum allowed. The scan mode is user
selected. The default is &quot;no&quot;.
<P>
<P>
</DL>
<A NAME="lbAD">&nbsp;</A>
<H2>CONFIGURATION FILE</H2>
The configuration file @CONFIGDIR@/teco1.conf supports only one information: the device name to use (eg /dev/scanner).
<P>
<P>
<A NAME="lbAE">&nbsp;</A>
<H2>FILES</H2>
<DL COMPACT>
<DT id="15"><I>@LIBDIR@/libsane-teco1.a</I>
<DD>
The static library implementing this backend.
<DT id="16"><I>@LIBDIR@/libsane-teco1.so</I>
<DD>
The shared library implementing this backend (present on systems that
support dynamic loading).
<P>
<P>
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>ENVIRONMENT</H2>
<DL COMPACT>
<DT id="17"><B>SANE_DEBUG_TECO1</B>
<DD>
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.
<P>
<P>
</DL>
<A NAME="lbAG">&nbsp;</A>
<H2>LIMITATIONS</H2>
The windows TWAIN driver has many more options than this SANE
backend. However they are only software adjustments. This backend only
implements what the scanner can support.
<P>
<P>
<A NAME="lbAH">&nbsp;</A>
<H2>BUGS</H2>
<P>
None known.
<P>
<P>
<A NAME="lbAI">&nbsp;</A>
<H2>SEE ALSO</H2>
<P>
<A HREF="/cgi-bin/man/man2html?5+sane-scsi">sane-scsi</A>(5), <A HREF="/cgi-bin/man/man2html?1+scanimage">scanimage</A>(1), <A HREF="/cgi-bin/man/man2html?1+xscanimage">xscanimage</A>(1), <A HREF="/cgi-bin/man/man2html?1+xsane">xsane</A>(1), <A HREF="/cgi-bin/man/man2html?7+sane">sane</A>(7)
<P>
<P>
<A NAME="lbAJ">&nbsp;</A>
<H2>AUTHOR</H2>
<DL COMPACT>
<DT id="18">The package is actively maintained by Frank Zago.<DD>
<I><A HREF="http://www.zago.net/sane/#teco">http://www.zago.net/sane/#teco</A></I>
<P>
</DL>
<A NAME="lbAK">&nbsp;</A>
<H2>CREDITS</H2>
<P>
Thanks to Gerard Delafond for the VM4542 support.
Thanks to Jean-Yves Simon for the VM3510 support.
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="19"><A HREF="#lbAB">NAME</A><DD>
<DT id="20"><A HREF="#lbAC">DESCRIPTION</A><DD>
<DT id="21"><A HREF="#lbAD">CONFIGURATION FILE</A><DD>
<DT id="22"><A HREF="#lbAE">FILES</A><DD>
<DT id="23"><A HREF="#lbAF">ENVIRONMENT</A><DD>
<DT id="24"><A HREF="#lbAG">LIMITATIONS</A><DD>
<DT id="25"><A HREF="#lbAH">BUGS</A><DD>
<DT id="26"><A HREF="#lbAI">SEE ALSO</A><DD>
<DT id="27"><A HREF="#lbAJ">AUTHOR</A><DD>
<DT id="28"><A HREF="#lbAK">CREDITS</A><DD>
</DL>
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