The feature you mentioned is not available in this theme but you can get to close of what you want with this walkaround. You can go to the Appearance > Customize > Header Media in the dashboard and insert the image for showing the image in the header below the menu. After that, you can go to the Appearance > Customize > Header > Header Image Position and select the ‘Position below’ option.
Finally, you can insert the code mentioned below in the Appearance > Customize > Additional CSS: to remove the Header title. But, it will also remove the title from the other pages also.