...I think where the O.P is coming from is setting off the sirens from the control panel, computer or what ever his county/city uses, under the supervision of who ever is in charge of doing so, present.
Ah yes, sorry I should have clarified but I do mean activating the actual scheduled test, with explicit permission/supervision from the person in charge. I'm definitely not interested in causing a panic and getting into all sorts of legal trouble!
Next test day is the 2nd of August; I think I'm just going to wing it and send them an email. At the very least I hope I can see their setup up close. Wish me luck!
Chicago's spooky mods got me into all of this. You know the video.
My friendly neighbourhood Thunderbolt 1000T