314. Finally, click in the Apply button. The single channel image will bedisplayed in the Centre Screen AreaClosing ZEN 2.11. To end ZEN 2.1 software, go to File -> Exit. Alternatively, you can press ALT+ F4 on your keyboard or click in the Close icon of the program bar.!!!Note: If you haven’t saved your files, the Save/Keep Documents dialogwill open before the program closes. Select files you want to save or unselectfiles you don’t want to save.Save only documents that are actually yours, and not pre-set experimentsthat belong to others or light path settings of the favorites filter sets.Images only created fortesting purposes whichcan be discardedExperiment of anotheruser which should not besaved!