The response of "no plea" allows the defendant to get legal advice on the plea, which must be made on the second appearance.
ðə ɹᵻspˈɑːns ʌv "nˈoʊ plˈiː" ɐlˈaʊz ðə dᵻfˈɛndənt tə ɡɛt lˈiːɡəl ɐdvˈaɪs ɔnðə plˈiː, wˌɪtʃ mˈʌst biː mˌeɪd ɔnðə sˈɛkənd ɐpˈɪɹəns.