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open the cover, put the cup with oil at setting position, and place
one stir into it. And then select the corresponding cup position, as
follows: in "test cup " column, touch the screen to select, as shown
in the figure below:
After selected test cup, then input the corresponding sample
weight, the method is as follows: in "Mass" column, with your
fingers touch the data, to select, then press the "▲", "▼" button to
adjust parameters, as shown in the figure below: