my qualified take is presented here - i believe the documentation is lacking clarity - i do not believe it’s even possible that the device is lacking this ‘hinted at / or interpreted’ functionality
but there is no doubt that the phrase …
Use the TRACK LEVEL knob to set the overarching velocity range.
… is muddying the waters, i don’t believe it does more than ‘meter’ input and offer a partially useful velocity ‘controller’ (as explained in my linked reply)
A clarification/amendment should be forthcoming either way