Many thanks. It works well.

Of course, I understand, but rpm does not change when i slide with the sliders anyway. http://i.imgur.com/1XVz3c1.png

Hi, I would like to advise how to regulate this pump. I plugged it into the highflow connector in the aqua6xt if I click to pump in aquasuite - nothing to change and the pump goes still at 3000rpm. Any info what am I doing wrong? I dont have pluged USB cable. Thanks. EDIT: Here is image: http://i.imgur.com/mPkZsWv.png if i slide slider anyhow still the same speed.