[expandable data-sc-color="#1086af"] [section title="Q. Do I need to calibrate my RV Level?"]A. No. The Command Center hub is calibrated at the factory. Only calibrate if instructed by an RVi tech support.[/section] [section title="Q. Does the Command Center hub have to be plugged in to level my RV?"]A.No. The Command Center hub has an internal battery to allow for leveling.[/section] [/expandable]