"How does one adjust the actual zone (bounding area) that a detector will trigger?" ... is what I asked in the builders forum ...   I guess you cant!   So I would like to put this in as a Suggestion Instead   What am I talking about:   The zone area that a detector looks at, would benefit from a way to configure that zone. For example; making it a long thin area for a hallway only (no spill over), or a tight beam (leg trip), or even shifting it to a side