On your jump start question. You can accomplish this by setting a minimum allowable flow rate, or minimal allowable pressure. Whenever the sprayer is told to be on it will push that amount of product at a minimum, no need for a separate feature. With the new L2 Liquid module you can create a library of your spray tips and have a minimum flow for each tip to keep over applying in those situations to a minimum but keep the pressure high enough to prevent the nozzle body check valves from shutting off the nozzles.