How to reset the MasterKeys Pro L and MasterKeys Pro S

Option 1:
1. Unplug the keyboard
2. Press FN + Right Alt key
3. Reconnect the keyboard to the computer while holding down the FN + Right Alt
This option should make the keyboard go back to factory settings/demo mode. 
Option 2: 
1. Keep the keyboard plugged in to the PC
2. Press FN + E for about 3 to 5 seconds
This option will clear the keyboards onboard memory.

Please Note: Performing either of the two options above will remove any saved profiles but will not harm the keyboard in any way.