11. Continuous Tone ), or a voice announcement.12. "' CTCSS "'( Continuous Tone -Coded Squelch System ) continuously superimposes any one of about 50 low-pitch audio Hz. 13. But both printers, particularly the 722C, produced an annoying horizontal " banding " effect in some continuous tones . 14. The process produces very high quality continuous tone images in monochrome, with surfaces that show a slight relief effect. 15. Produced with continuous tone with no typical lithographic processes, as if " painted with a printing press ". 16. "' Kodak Professional T-MAX Film "'is a continuous tone , panchromatic, ISO numbers, but the 3200 were sold as a multi-speed film. 17. The Medley scans at 300 dots per inch, good enough to render text and line art crisply and continuous tones adequately. 18. At a microscopic level, developed black-and-white photographic film also consists of only two colors, and not an infinite range of continuous tones . 19. On decent monitors, the windowed picture can be adequate if you are willing to overlook jagged diagonal lines and blotchy continuous tones . 20. This signal " . . . is not a continuous tone , but rather a transmission of waveforms that vary in frequency and duration.