Only few top professional espresso machines offer you the possibility of changing the brewing pressure while brewing espresso: the so called pressure profiling.  ECM has figure it out a simple way to do this in your semi-professional machine, a low cost solution compared to the thousands of EURs commercial solution.

Changing the brewing pressure during the shot will allow you to “shape” your espresso according to your taste. You get usually a more delicate after taste and heavier body.