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Vision Model 140/150 Owner’s Operating Manual 71
PRE
L
IMINAR
Y
Select Color and press ENTER. While looking at the color bar pattern through a blue filter,
adjust the color saturation level until the outermost (gray and blue) color bars appear to be a
single shade of blue:
Tint: Tint or “hue” is essentially the ratio of red to green in the color portion of the image.
When tint is decreased, the image appears redder; when it is increased the image appears
greener. To set the tint, select Tint and press ENTER. While looking at the color bar pattern
through a blue filter, adjust the tint level until the cyan and magenta color bars (on either
side of the green bar) appear to be a single shade of blue.
Like the brightness and contrast controls, the color and tint controls are
interactive. A change to one may require a subtle change to the other in
order to achieve the optimum setting.
gray
yellow
cyan
green
magenta
red
blue
Note