removing the brush holder unscrewing and removing the frame inserting the test panels putting the frame back on fixating the frame on the test panels placing the brush holder inserting the required brush set (din 53778, iso 11998, astm d2486 or astm d3450) switching on the pump for the liquid supply (container is on the top left) starting the device
the brushes are scrubbing over the test panels remaining cylcles are displayed directly on the screen the liquid is added trough the brushes turning off the pump (fluid supply)