An alarm went off upon entering the public auditorium.
Rufus and Clarissa followed suit. Lyle was able to calm them and I located the alarm and shut it off.
Then we waited to see if anyone would respond to it. After ten minutes when no one came to see who had tripped the alarm, Lyle and I began to debate whether or not it was a warning to us to avoid the area; or an alert to them that they may avoid us.
I opt for the latter scenario, but Lyle is almost equally sure of the first.
The hall and its environs are well appointed, and will likely give up many a treasure to us and our persistence. Later.