User`s manual

Thomas, ET, Juliet Classic, Juliet Pro, Juliet Pro 60 34
Parameters 50 through 62 refer to the ET Speaks option:
50E Set ET Speaks' volume (0E lowest to 9E highest)
51E Set ET Speaks' speed (0E slowest to 9E fastest)
52E Set ET Speaks' tone (0E bass, 1E mid-range, 2E treble)
53E Set ET Speaks' frequency (0E lowest to 9E highest)
54E Set ET Speaks' pitch (0E lowest to 9E highest)
55E Set ET Speaks' intonation, which is how much expression
should be implied by punctuation (0E least to 9E most)
56E Set ET Speaks' articulation, which is the amount of
distinctive separation between words (0E least to 9E most)
57E Set ET Speaks' reverb (0E none to 9E most)
58E Set ET Speaks' pause between words (0E shortest to 9E
longest)
59E ET Speaks reads the settings above (stop with the E key)
60E ET Speaks reads all sixteen menus (stop with the E key)
61E Press 1 to choose DTMF ("touch-tone" type tones) or any
other key for standard 400 Hz "beep"
62E Set DTMF tone volume (0=lowest to 9=highest)