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+.TH sane\-dc240 5 "11 Jul 2008" "@PACKAGEVERSION@" "SANE Scanner Access Now Easy"
+.IX sane\-dc240
+.SH NAME
+sane\-dc240 \- SANE backend for Kodak DC240 Digital Camera
+.SH DESCRIPTION
+The
+.B sane\-dc240
+library implements a SANE (Scanner Access Now Easy) backend that
+provides access to the Kodak DC240 camera. THIS IS EXTREMELY ALPHA
+CODE!  USE AT YOUR OWN RISK!!
+.SH "DEVICE NAMES"
+The current version of the backend only allows one camera to be
+connected.  The device name is always "0".
+.SH CONFIGURATION
+The contents of the
+.I dc240.conf
+specify the serial port and baud rate to use.  The baud rate 
+specifies the maximum rate to use while downloading pictures.  (The
+camera is always initialized using 9600 baud, then switches to the
+higher rate).  On a 450MHz Pentium, I usually have no problems downloading
+at 115200 baud, though the camera sometimes has to resend packets due
+to lost characters.  Results are better when 
+the "interrupt-unmask flag" is set in the IDE driver (hdparm \-u1).
+Supported baud rates are: 9600, 19200, 38400, 57600, and 115200.
+.PP
+The dumpinquiry line causes some information about the camera to 
+be printed.
+.PP
+cmdrespause specifies how many usec (1,000,000ths of a) between
+writing the command and reading the result should be used. 125000
+seems to be the lowest I could go reliably.
+.PP
+breakpause is the time in 1,000,000ths of a usec between sending the
+"back to default" break sending commands.      
+.PP
+Empty lines and lines starting with a hash mark (#) are
+ignored.  A sample configuration file is shown below:
+.PP
+.RS
+port=/dev/ttyS0
+.br
+# this is a comment
+.br
+baud=115200
+.br
+dumpinquiry
+.br
+cmdrespause=125000
+.br
+breakpause=1000000
+.RE
+.PP
+.SH FILES
+.TP
+.I @CONFIGDIR@/dc240.conf
+The backend configuration file (see also description of
+.B SANE_CONFIG_DIR
+below).
+.TP
+.I @LIBDIR@/libsane\-dc240.a
+The static library implementing this backend.
+.TP
+.I @LIBDIR@/libsane\-dc240.so
+The shared library implementing this backend (present on systems that
+support dynamic loading).
+
+.SH ENVIRONMENT
+.TP
+.B SANE_CONFIG_DIR
+This environment variable specifies the list of directories that may
+contain the configuration file.  Under UNIX, the directories are
+separated by a colon (`:'), under OS/2, they are separated by a
+semi-colon (`;').  If this variable is not set, the configuration file
+is searched in two default directories: first, the current working
+directory (".") and then in @CONFIGDIR@.  If the value of the
+environment variable ends with the directory separator character, then
+the default directories are searched after the explicitly specified
+directories.  For example, setting
+.B SANE_CONFIG_DIR
+to "/tmp/config:" would result in directories "tmp/config", ".", and
+"@CONFIGDIR@" being searched (in this order).
+.TP
+.B SANE_DEBUG_DC240
+If the library was compiled with debugging support enabled, this
+environment variable controls the debug level for this backend. 
+A value of 128 requests maximally copious debug output; smaller
+levels reduce verbosity.
+
+.SH "SEE ALSO"
+sane(7)
+
+.SH AUTHOR
+Peter S. Fales
+
+.PP
+This backend borrows heavily from the dc210 backend by Brian J. Murrell
+which is based somewhat on the dc25 backend by Peter Fales.
+.PP
+The manpage was largely copied from the dc210 manpage.
+
+.SH BUGS
+The major limitation that I know of is that the backend assumes
+the directory in the camera is 100dc240.  Once the camera has
+taken more than 9999 pictures, the directory will increment to 101dc240. 
+Not only should we check for the additional directory, but pictures may
+actually be found in multiple directories.
+.PP
+More general comments, suggestions, and inquiries about frontends
+or SANE should go to the SANE Developers mailing list 
+(see http://www.sane\-project.org/mailing\-lists.html for details). 
+You must be subscribed to the list, otherwise your mail won't be
+sent to the subscribers.
+