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 sane-teco3 5 "14 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
 sane-teco3 
 NAME
sane-teco3 - SANE backend for TECO / RELISYS scanners

 DESCRIPTION
The
 sane-teco3 library implements a SANE (Scanner Access Now Easy) backend that
provides access to some TECO SCSI flatbed scanners. This backend
should be considered
 alpha-quality software! TECO scanners are sold under
various brands like RELYSIS, PIOTECH, TRUST. This backend may or
may not support yours.


The scanners that should work with this backend are:





 Vendor Model TECO model status
 --------------------------- ---------- ----------
 Relisys Scorpio VM3552 tested
 Plustek OpticPro 2400SP VM3552 untested
 PIOTECH Splendeur 3024 VM3552 tested
 Trust Imagery 2400 SP VM3552 tested
 Trust Imagery 4800 SP+ VM3552 tested
 Trust Imagery 9600 SP VM3552 untested





The TECO VM number can usually be found at the back of the
scanner. It is also part of the FCC ID.

The options the backend supports can either be selected through
command line options to programs like
 scanimage (1) or through GUI
elements in
 xscanimage (1) or
 xsane (1). 


If you have any success with a scanner not listed here, or if you notice
any strange behavior, please report to the backend maintainer or to
the SANE mailing list.


 OPTIONS
Valid command line options and their syntax can be listed by using:



scanimage --help -d teco3





 Scan Mode 


 --mode Black & White|Grayscale|Color Selects the basic mode of operation of the scanner.
The
 Black & White mode is black and white only (1 bit).
 Grayscale will produce 256 levels of gray (8 bits).
 Color will produce a 24-bit color image.



 --resolution 1..1200 Selects the resolution for a scan. The scanner can do all resolutions
between 1 and 1200, in increments of 1.



 --preview 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 "no".



 Geometry options 


 -l -t -x -y 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.


 OPTIONS FOR COLOR MODE ONLY



 --custom-gamma Allows the user to specify a gamma table (see the
next 3 parameters).



 --red-gamma-table Can be used to download a user defined
gamma table for the red channel. The table must be 1024 bytes long.



 --green-gamma-table Can be used to download a user defined
gamma table for the green channel. The table must be 1024 bytes long.



 --blue-gamma-table Can be used to download a user defined gamma table
for the blue channel. The table must be 1024 bytes long.



 CONFIGURATION FILE
The configuration file
 @CONFIGDIR@/teco3.conf supports only one item: the device name to use (eg
 /dev/scanner ). 


 FILES

 @LIBDIR@/libsane-teco3.a The static library implementing this backend.


 @LIBDIR@/libsane-teco3.so The shared library implementing this backend (present on systems that
support dynamic loading).



 ENVIRONMENT

 SANE_DEBUG_TECO3 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.



 LIMITATIONS
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.



 BUGS
Not much.



 "SEE ALSO"
 sane-scsi (5),  scanimage (1),  xscanimage (1),  xsane (1),  sane (7) 


 AUTHOR

The package is actively maintained by Frank Zago.
 http://www.zago.net/sane/#teco3