From Longman Business Dictionaryfactory presetˌfactory ˈpreset noun [countable] MANUFACTURINGthe way that a computer or other electronic equipment is set when you buy it, which you can change if you want toThe A4 contains 60 programs, half of which are factory presets.It is possible to customise a factory preset so that you can use icons and sounds of your own choosing.