A circit arrangement 18, further including {HEAD ~ a timing element} coupled between said AND element and said switch for applying {TAIL ~ said alarm signal} to said alarm system, which timing element delays application of said alarm signal to said alarm system 
A circit arrangement 18 , further including { HEAD ~ a timing element } coupled between said AND element and said switch for applying { TAIL ~ said alarm signal } to said alarm system , which timing element delays application of said alarm signal to said alarm system
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH