Usage: scanadf [OPTION]...

Start image acquisition on a scanner device and write image data to
output files.

   [ -d | --device-name <device> ]   use a given scanner device.
   [ -h | --help ]                   display this help message and exit.
   [ -L | --list-devices ]           show available scanner devices.
   [ -v | --verbose ]                give even more status messages.
   [ -V | --version ]                print version information.
   [ -N | --no-overwrite ]           don't overwrite existing files.

   [ -o | --output-file <name> ]     name of file to write image data
                                     (%d replacement in output file name).
   [ -S | --scan-script <name> ]     name of script to run after every scan.
   [ --script-wait ]                 wait for scripts to finish before exit
   [ -s | --start-count <num> ]      page count of first scanned image.
   [ -e | --end-count <num> ]        last page number to scan.
   [ -r | --raw ]                    write raw image data to file.

Options specific to device `hp3900:libusb:005:002':
    -l 0..220mm (in steps of 1) [220]
        Top-left x position of scan area.
    -t 0..300mm (in steps of 1) [300]
        Top-left y position of scan area.
    -x 0..220mm (in steps of 1) [220]
        Width of scan-area.
    -y 0..300mm (in steps of 1) [300]
        Height of scan-area.
    --resolution 75|100|150|200|300|600|1200|2400dpi [75]
        Sets the resolution of the scanned image.
    --red-gamma-table 0..65535,... [0]
        Gamma-correction table for the red band.
    --green-gamma-table 0..65535,... [0]
        Gamma-correction table for the green band.
    --blue-gamma-table 0..65535,... [0]
        Gamma-correction table for the blue band.
    --source Flatbed|Slide|Negative [Flatbed]
        Selects the scan source (such as a document-feeder).
    --mode Color|Gray|Lineart [Gray]
        Selects the scan mode (e.g., lineart, monochrome, or color).
    --depth 8|16bit [8]
        Number of bits per sample, typical values are 1 for "line-art" and 8
        for multibit scans.
    --threshold 0..255 [inactive]
        Select minimum-brightness to get a white point

Type ``scanadf --help -d DEVICE'' to get list of all options for DEVICE.

List of available devices:
    v4l:/dev/video0 hp3900:libusb:005:002

