How do I control backlight move and brightness on the L80 MAX RGB?

The backlight can be controlled by using the FN modifier key with the backlight control of your choice:

Increase Effect Speed: FN + Right Arrow.

Faster the backlight reaction.

Fig. 01 / MGK L80 MAX RGB Increase Effect Speed.

Decrease Effect Speed: FN + Left Arrow.

Slower the backlight reaction.

Fig. 02 / MGK L80 MAX RGB Decrease Effect Speed.

Increase Backlight: FN + Up Arrow

Increase all the backlight.

Fig. 03 / MGK L80 MAX RGB Increase Backlight.

Decrease Backlight: FN + Down Arrow

Decrease all the backlight.

Fig. 04 / MGK L80 MAX RGB Decrease Backlight.

Dark Mode: FN + Num.0.

Shutting down all backlight effect.

Fig. 05 / MGK L80 MAX RGB Dark Mode.