wˌɛn ðɪ ɐlˈɑːɹm ɪz ˈæktᵻvˌeɪɾᵻd, ɪt wɪl sˈɛt ˈɔf ɐ vˈɔɪs mˈɛsɪdʒ dᵻɹˈɛktli ˌoʊvɚɹ ɐ ɹˈeɪdɪˌoʊ fɹˈiːkwənsi dʒˈɛnɚɹəli ɐ nˈɑːnpɹˈaɪmɚɹi fɹˈiːkwənsi, ɹᵻpˈiːɾɪŋ ðə mˈɛsɪdʒ sˈɛvɹəl tˈaɪmz.
When the alarm is activated, it will set off a voice message directly over a radio frequency (generally a non-primary frequency), repeating the message several times.