Actual Brightness:  Changes the brightness of LED’s and screen based upon the max and min brightness selected for each LED Colour and LCD brightness range
 

LCD Brightness:  Sets the max and min brightness of the LCD screen – this is then used as the minimum and maximum for the “Actual Brightness” slider
LED Range:  Sets the minimum and maximum brightness for each LED colour – this is then used as the minimum and maximum for the “Actual Brightness” slider

Screen and LED Brightness must be changed in the correct order.  
1.    Change the LED min and Max levels.  
2.    Adjust Actual Brightness
3.    Click save