usage: gtkguitune [--option [<arg>]] options: --device <arg> arg=device audio-in device --trigger <arg> arg=threshold of schmitt trigger --sampfreq <arg> arg=sample frequency in Hz --sampnr <arg> arg=number of samples --width <arg> arg=width in pixels --height <arg> arg=height in pixels --adaptive <arg> arg=1|0 adaptive scaling of sample data --help this help gtkguitune: unrecognized option '--version' (gtkguitune:10737): Gtk-WARNING **: cannot open display:

usage: gtkguitune [--option [<arg>]] options: --device <arg> arg=device audio-in device --trigger <arg> arg=threshold of schmitt trigger --sampfreq <arg> arg=sample frequency in Hz --sampnr <arg> arg=number of samples --width <arg> arg=width in pixels --height <arg> arg=height in pixels --adaptive <arg> arg=1|0 adaptive scaling of sample data --help this help