umax_pp --version (return code: 0)
umax_pp [-c color_mode] [-x coord] [-y coord] [-w width] [-h height] [-g gain] [-z offset] [-d dpi] [-t level] [-s] [-p] [-l 0|1] [-a ioport_addr] [-r]
unexpected argument <--version>
umax_pp --help (return code: 0)
umax_pp [-c color_mode] [-x coord] [-y coord] [-w width] [-h height] [-g gain] [-z offset] [-d dpi] [-t level] [-s] [-p] [-l 0|1] [-a ioport_addr] [-r]
unexpected argument <--help>