Optical and X-ray variability of Mon-1167. Panel format and content are as in Fig. 4. The contours are shown for the X-ray spectral fit of the spectrum observed during the intervals #3 (black contours, bottom left panel) and #8 (black contours, bottom right panel). In both bottom panels, the contours from the X-ray spectral fit in the intervals #1+#2+#4+#6+#7+#9+#10+#12 are shown in red.