The detailed operating instructions should sensibly before first use read (I'm an avid reader Instructions Manual) in order to prevent operating errors and consequent disappointment from the beginning. Even went out of the product description on Amazon is not very clear to me shows that two crushing cups obtained with the machine with different diameter equipment: a percussion mechanism for grinding dry, solid foods (coffee, spices, etc.) and a hoeing to hack eg onions or other softer foods that should not be too wet or sensitive to heat.
The reduction ratio can be properly dispensed in all cases by the number of (short) actuating pulses. My Garam Masala spice mix was pretty pulverized on by more frequent application, as you ground spices just imagining. Especially during coffee grinding is a precise control of the grind, depending on the application thus easily possible (see explanations in the manual).
After the first positive impressions I can Proficook PC KSW 1021 as a (small) crushing food processor highly recommended.