Three of 14 spectra for different chromospheric indicator lines for RBS 365. Left: He I IR line. Right: Hα line. The spectrum with the pronounced blue wing in Hα corresponds to the deepest spectrum in He I IR (both indicated by the blue solid line corresponding to flare spectrum no. 1). The green spectra represent the most quiescent case and the orange line a more active state (flare spectrum no. 2), which may or may not be associated with flaring. The dashed vertical lines denote the central wavelength of the displayed chromospheric lines.