LED control keys are placed on the numrow.
Mainly for factory testing use only.
ESC = Backlight Toggle
1 = Backlight Step
5 = RGB Toggle
6 = RGB Mode Cycle
7 = RGB Hue Increase
8 = RGB Hue Decrease
9 = RGB Saturation Increase
0 = RGB Saturation Decrease
MINS = RGB Value Increase
EQL = RGB Value Decrease