def _setup_single_fader_button_modes(self):
     self._single_fader_button_modes = SingleFaderButtonModeSelector(
         self._mixer_for_encoders, self._fader_group_midi_button)
     self._single_fader_button_modes.name = 'Single_Fader_Button_Modes'
     self._single_fader_button_modes.set_mode_toggle(
         self._fader_group_mode_button)