The Model 33 was also notable for taking the description of control-G (code 7, BEL, meaning audibly alert the operator) literally, as the unit contained an actual bell which it rang when it received a BEL character.
ðə mˈɑːdəl θˈɜːɾi θɹˈiː wʌz ˈɔːlsoʊ nˈoʊɾəbəl fɔːɹ tˈeɪkɪŋ ðə dᵻskɹˈɪpʃən ʌv kəntɹˈoʊldʒˈiː kˈoʊd sˈɛvən, bˈɛl, mˈiːnɪŋ ˈɔːdᵻbli ɐlˈɜːt ðɪ ˈɑːpɚɹˌeɪɾɚ lˈɪɾɚɹəli, æz ðə jˈuːnɪt kəntˈeɪnd ɐn ˈæktʃuːəl bˈɛl wˌɪtʃ ɪt ɹˈæŋ wɛn ɪt ɹᵻsˈiːvd ɐ bˌiːˌiːˈɛl kˈæɹɪktɚ.