Teletype machines required that a line of text be terminated with both "carriage return" (which moves the printhead to the beginning of the line) and "line feed" (which advances the paper one line without moving the printhead).
tˈɛlᵻtˌaɪp məʃˈiːnz ɹᵻkwˈaɪɚd ðˌæɾə lˈaɪn ʌv tˈɛkst biː tˈɜːmᵻnˌeɪɾᵻd wɪð bˈoʊθ "kˈæɹɪdʒ ɹᵻtˈɜːn" wˌɪtʃ mˈuːvz ðə pɹˈɪnthɛd tə ðə bɪɡˈɪnɪŋ ʌvðə lˈaɪn ænd "lˈaɪn fˈiːd" wˌɪtʃ ɐdvˈænsᵻz ðə pˈeɪpɚ wˈʌn lˈaɪn wɪðˌaʊt mˈuːvɪŋ ðə pɹˈɪnthɛd.