263 lines
6.6 KiB
HTML
263 lines
6.6 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of sane-stv680</TITLE>
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</HEAD><BODY>
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<H1>sane-stv680</H1>
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Section: SANE Scanner Access Now Easy (5)<BR>Updated: 11 Jul 2008<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="ixAAB"></A>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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sane-stv680 - SANE backend for STV680 camera's
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<A NAME="lbAC"> </A>
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<H2>DESCRIPTION</H2>
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The
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<B>sane-stv680</B>
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library implements a SANE (Scanner Access Now Easy) backend that
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provides access to some STV680 cameras. This backend
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should be considered
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<B>beta-quality</B>
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software! STV680 cameras are sold under
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various brands like Aiptek.
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This backend may or may not support yours.
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<P>
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The cameras that should work with this backend are:
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<P>
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<PRE>
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Vendor Model USB vendor id USB product id status
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------------------------ ------------- -------------- --------
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AIPTEK stv680 0x0553 0x0202 basic
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Konica e-mini 0x04c8 0x0722 untested
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DigitalDream l'espion XS 0x1183 0x0001 untested
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Creative WebCam Go mini 0x041e 0x4007 untested
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</PRE>
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<P>
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For all these cameras, see the backend home page (under AUTHOR)
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for the exact status of each camera.
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<P>
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For startup of this backend check that if present the stv680 kernel module is
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removed or disabled.
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<BR>
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Also before using, enable the backend by editing the /etc/sane.d/dll.conf file,
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change #stv680 to stv680.
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<P>
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For problems with the untested cameras, you
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should contact the author for that.
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<P>
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The options the backend supports can either be selected through
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command line options to programs like scanimage or through GUI
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elements in xcam. For both programs use the -B option needed for size buffer.
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<P>
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Some frontends examples:
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<BR>
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xcam
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<DL COMPACT><DT id="1"><DD>
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xcam -B
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</DL>
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<P>
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scanimage: for writing in batch mode to a file or to a new file each time.
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<DL COMPACT><DT id="2"><DD>
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scanimage -B -d stv680:libusb:001:002 --batch=out.ppm --batch-count 5 --mode "Color RGB"
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</DL>
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<DL COMPACT><DT id="3"><DD>
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scanimage -B -d stv680:libusb:001:002 --batch=out%d.ppm --batch-count 5 --mode "Color RGB"
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</DL>
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<P>
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<BR>
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If you have any success with a camera not listed here, or if you have
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any strange behavior, please report to the backend maintainer or to
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the SANE mailing list.
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<P>
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Valid command line options and their syntax can be listed by using
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<DL COMPACT><DT id="4"><DD>
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scanimage --help -d stv680
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</DL>
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<P>
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<P>
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<DL COMPACT>
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<DT id="5"><B>Scan Mode</B>
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<DD>
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<P>
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<DT id="6"><B>--mode</B>
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<DD>
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selects the basic mode of operation of the webcams valid choices.
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<P>
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The read resolution mode is 8 bits, output resolution is 24 bits.
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Selects the resolution for a scan.
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The camera can do only the resolutions listed.
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<DT id="7"><B>--Raw</B>
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<DD>
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In this mode raw data is displayed
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<DT id="8"><B>--Color</B>
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<DD>
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In this mode the bayer unshuffle is done but no color correction
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<DT id="9"><B>--Color_RGB</B>
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<DD>
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Bayer unshuffle, color correction
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<DT id="10"><B>--Color_RGB_TXT</B>
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<DD>
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Bayer unshuffle, color correction, textline with date and time is added
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<P>
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<P>
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<DT id="11"><B>Enhancement options</B>
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<DD>
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<P>
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<DT id="12"><B>--white-level-r</B>
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<DD>
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Selects what red radiance level should be
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considered "white", when scanning some sheets by changing the calibration
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value loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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<P>
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<DT id="13"><B>--white-level-g</B>
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<DD>
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Selects what green radiance level should be
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considered "white", when scanning some sheets by changing the calibration i
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value loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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<P>
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<DT id="14"><B>--white-level-b</B>
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<DD>
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Selects what blue radiance level should be
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considered "white", when scanning some sheets by changing the calibration
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value loaded into the scanner. Scale -32 .. 0 .. +32 in steps of 1.
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<P>
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</DL>
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<A NAME="lbAD"> </A>
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<H2>CONFIGURATION FILE</H2>
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The configuration file @CONFIGDIR@/stv680.conf supports only one
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information: the device name to use (eg usb 0x.... 0x....).
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<P>
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<P>
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<A NAME="lbAE"> </A>
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<H2>FILES</H2>
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<DL COMPACT>
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<DT id="15"><I>@LIBDIR@/libsane-stv680.a</I>
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<DD>
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The static library implementing this backend.
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<DT id="16"><I>@LIBDIR@/libsane-stv680.so</I>
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<DD>
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The shared library implementing this backend (present on systems that
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support dynamic loading).
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<P>
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<P>
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</DL>
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<A NAME="lbAF"> </A>
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<H2>ENVIRONMENT</H2>
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<DL COMPACT>
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<DT id="17"><B>SANE_DEBUG_STV680</B>
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<DD>
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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. E.g.,
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a value of 128 requests all debug output to be printed. Smaller levels
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reduce verbosity.
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<P>
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</DL>
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<A NAME="lbAG"> </A>
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<H2>LIMITATIONS</H2>
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The windows TWAIN driver has many more options than this SANE
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backend. However they are only software adjustments. This backend only
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implements what the webcam can support.
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<P>
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<P>
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<A NAME="lbAH"> </A>
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<H2>BUGS</H2>
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<P>
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<DL COMPACT>
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<DT id="18">Plenty. Parts of this backend are still under development.<DD>
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1. Some untested cameras.
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<BR>
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2. Video streaming slow and stops sometimes (scanimage).
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<BR>
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3. Sometimes 1/3 of image is NOK (xcam).
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<P>
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<P>
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</DL>
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<A NAME="lbAI"> </A>
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<H2>SEE ALSO</H2>
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<P>
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<A HREF="/cgi-bin/man/man2html?5+sane-usb">sane-usb</A>(5), <A HREF="/cgi-bin/man/man2html?1+scanimage">scanimage</A>(1), <A HREF="/cgi-bin/man/man2html?1+xcam">xcam</A>(1), <A HREF="/cgi-bin/man/man2html?7+sane">sane</A>(7)
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<P>
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<P>
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<A NAME="lbAJ"> </A>
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<H2>AUTHORS</H2>
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<P>
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Gerard Klaver <A HREF="http://gkall.hobby.nl/stv680-aiptek.html">http://gkall.hobby.nl/stv680-aiptek.html</A>
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<P>
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<P>
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<P>
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<A NAME="lbAK"> </A>
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<H2>CREDITS</H2>
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<P>
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<DL COMPACT>
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<DT id="19">Thanks to developers of the other stv680 programs:<DD>
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STV680 kernel module
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<BR>
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pencam2 program
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<BR>
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libghoto2 program (camlib stv0680)
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<P>
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</DL>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="20"><A HREF="#lbAB">NAME</A><DD>
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<DT id="21"><A HREF="#lbAC">DESCRIPTION</A><DD>
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<DT id="22"><A HREF="#lbAD">CONFIGURATION FILE</A><DD>
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<DT id="23"><A HREF="#lbAE">FILES</A><DD>
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<DT id="24"><A HREF="#lbAF">ENVIRONMENT</A><DD>
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<DT id="25"><A HREF="#lbAG">LIMITATIONS</A><DD>
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<DT id="26"><A HREF="#lbAH">BUGS</A><DD>
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<DT id="27"><A HREF="#lbAI">SEE ALSO</A><DD>
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<DT id="28"><A HREF="#lbAJ">AUTHORS</A><DD>
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<DT id="29"><A HREF="#lbAK">CREDITS</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:06:05 GMT, March 31, 2021
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</BODY>
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