gako unguator EMP Quick Start Manual page 18

With pushing the jar bottom upwards the ExactDose chamber will be filled with the exact
amount of compound and the coloured ball will be pushed up to its highest position.
With a 180 degree turn of the set screw the coloured ball will be in the lowest position again,
the compound will be extracted by pushing the jar bottom upwards and the chamber will be
filled again with compound for the next dosage extraction.
chapter 2 - page 11