This is just a collection of pics I found on google. Thunderbolt: http://www.cityofbatavia.net/content/articlefiles/1066-siren.gif Looking up on a WPS-2905: http://bcema.net/site/Portals/0/ny-nj-port-01.jpg Sentry 20V2T: http://www1.istockphoto.com/file_thumbview_approve/2169341/2/istockphoto_216934...
It depends witch botton you push. If you push the Alert Button, I know per fact that the siren will do a 3 Minute alert regardless.If you push attack it'll do a 1 or 3 Minute attack i don't rember witch. But if you push the TEST button, The Siren will sound alert as long as the button is depressed.
These are Several siren pics I found on the internet. They are not mine Vintage Carter Siren: http://www.firstworldwar.com/diaries/graphics/airraidsiren.jpg Another Carter: http://www.edmundforte.co.uk/mediac/400_0/media/siren.jpg SD-10: http://www.journalofaestheticsandprotest.org/1/posterproject/a...
THESE ARE NOT MINE. I found them on http://edenprairieweblogs.org/georgeesbensen/post/date/2007/02/ It said that the "new siren" is just west of the Bent Creek Golf Course on the north side of Valley View Road. Prepping the siren for install: http://edenprairieweblogs.org/georgeesbensen/wp...