Bipolar v unipolar LFOs issue

Hi, I’m pretty new to Vital but it seems that applying an LFO to pitch for vibrato is acting as a unipolar LFO, the pitch ranging from eg, C to C sharp. Is it possible to put the LFO into biplolar mode?

simply ctrl-click (or right-click, or doublefingertap on a trackpad) on the fresh-created modulation circle/icon to opem the contextual menu
there you can select “Make Bipolar/Make UniPolar”