Further note that FN+ESC will reset your anti-ghosting back to 6. MISC === Beyond those functions, FN+DEL, FN+HOME, FN+PGUP, and FN+PGDN will activate additional LED settings. FN+LEFT and FN+RIGHT arrow keys will slow down / speed up the rate at which the lights activate. FN+DOWN and FN+UP arrow keys will adjust the brightness.

https://www.amazon.com/FIODIO-Mechanical-Anti-Ghosting-Quick-Response-Multimedia/dp/B086161951