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It is important, however, to ensure that the Tint or Contrast is set correctly prior to adjusting the level. Level Up or Level Down increases your flexibility by allowing you to choose which tones of color/greyscale will be projected. Pressing Level Up increases the limits of the range of tone which will be depicted by that color. Pressing Level Down will cause a smaller band of tone to be depicted as a given color. There are 64 steps. The level controls operate only on analog video signals such