Using Home Mode

I have been reluctant to use my Gen 3 system in the home mode while I am at home. My system consists of motion detectors, door contacts, external alarm siren, water and temperature sensors. While in the home mode, I would assume the motion sensors are inoperative while everything else is in operation. Is that a safe assumption? Will the dispatch center also be contacted by the base station if a door contact is activated by an opened door?