If a parameter is selected from the menu its title and value is displayed in the title bar at the top of the screen. This is called the parameter editor. The value may be adjusted with the LAYER or SELECT encoder or fine adjusted (if appropriate) with the SNAPSHOT encoder. The value is asserted by a short press of LAYER or SELECT. Bold press SELECT may reset value to a default. Short press BACK to cancel out of the parameter editor. If touchscreen widgets is enabled then buttons appear in the title bar allowing adjustment of the parameter.