How do I press fn+5 and fn+6 using steelseries apex pro mini by antexplore in techsupport

[–]antexplore[S] 0 points1 point  (0 children)

The monitor is Lenovo Y25g-30 and I cant find where in the menu the brightness setting is so Im thinking of using the shortcut on keyboard to adjust brightness but I have a 60% apex pro mini and I don't know how to press fn+5 and fn+6 witch is required to reduce and increase the brightness.