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You can change the presets list view, by clicking on a small down arrow which is at the right of the 'Presets' inscription.
 
 
After you press it, a popup window, containing presets of the current gallery, will appear. You can do the same, pressing Ctrl + Down on your keyboard.
 
 
Select a needed preset with a single click or use the arrow keys to move inside the popup list and Enter to run a preset. If all presets of the gallery cannot be displayed in the popup list window, use the scroll bar located at the right of the window to get an access to the presets which are not visible at the moment. To return to the previous mode, press Esc on your keyboard or click anywhere. You can also use the arrow keys to move along a preset sequence within current gallery. In this case a new preset will be automatically launched.