What is the difference between the System Maximum setting and the Upper Set Point?
A. The Upper Set Point (USP) and the System Maximum (SM) settings are related, but they are not the same. The Upper Set Point is easily amputee adjustable by the up/down fob buttons and USP is the highest vacuum level that the pump will regulate to when in automatic mode. The Upper Set Point can not be greater than the System Maximum setting i.e.