QPushButton enable_all_channels_, disable_all_channels_;
QPushButton enable_all_logic_channels_, enable_all_analog_channels_;
QPushButton enable_all_named_channels_, enable_all_changing_channels_;
QPushButton enable_all_channels_, disable_all_channels_;
QPushButton enable_all_logic_channels_, enable_all_analog_channels_;
QPushButton enable_all_named_channels_, enable_all_changing_channels_;