Question:

What functions do the knobs perform on the Symphony?

Answer:

The button all the way to the left is the on/off button. The knob in the center of the unit controls the suction and speed. The button all the way to the right is the "let down" button. This button interrupts the first phase (stimulation phase) so you can go right to the expression phase without waiting for the 2 minute stimulation phase to end.


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