Three chrome button caps on the front of the control board. Does anyone know the ajustments for these. Top ajustment screw is the time the Auger light stays on, feeding more pellets. On the 1 setting, how long should the light stay on, 1sec,2sec,etc. If anyone can help me that would be great. I think it's feeding to many pellet right now. I like to run the stove at 1 or 2. Thanks