Ecovac Vacumm Toilet system

I have a 350 Rinker with a Ecovac toilet system. Should I leave the flush toilet switch on all the time. When I do the discharge pump (I think that is what it is) stays on and does not shut off. It is located under the trash can right by the ice maker. I just bought the boat and not sure if this is normal. Thanks
Comments
Welcome to the forum!