1.- Run Elbrus, go to the 'Others / Edit parameters' menu and be sure the "Reversed image" option is NOT checked. (If checked, uncheck it and press OK)
2.- Go to the File menu, then click A- Image path... and select YOUR image
3.- The image is loaded
4.- By comparing with a sky chart software, locate in your image the North, South, East and West.
5.- Now imagine you are moving from N to W, then to S and then to E.
6.- If you turn clockwise then your image is not reversed. Leave the "Reversed image" option unchecked (left).
7.- If you turn counter-clockwise (as in this example) then your image is reversed. You MUST check the "Reversed image" option as shown bellow (right). And press the OK button.