In the centre position filter tracking is off and filter cutoff is constant for all notes. However, turning the knob to the right progressively increases the filter cutoff above middle C while progressively decreasing the filter cutoff on notes below middle C.
<aside> ⚠️ +0.50 is the value at which the filter perfectly tracks the oscillators.
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Changes the centre position of filter tracking across the keyboard range from the default position of middle C. For a position above middle C, move the Centre knob clockwise from centre. For a centre position below middle C, move the Centre knob anti- clockwise from centre.