A: Press "FN" + "Up/down arrow key" - to increase/decrease the LED brightness respectively.
A: Press "FN" + "(F1 to F12)" - to use Multimedia Keys.
What colors will Caps, Num, Scr lk and Windows Keys have?
The caps, Num, Scr Lk and Windows key can either glow in Red or LED OFF. Red indicates that the lock is enabled and LED OFF vice versa.