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bars. These bars should appear very colorful without any signs of blooming into the adjacent
bars.
Fig 4: The SMPTE bar pattern blue and white bars are used to calibrate the television
color control.
Tint Control
Adjust the tint control by comparing the intensity of the cyan and magenta color bars through a
blue filter. These bars are indicated in Figure 5. Compare the light level of the large top cyan and
magenta bars with the small bars directly below each of them. Adjust the tint control to make
these bars appear the same light level, as viewed through a blue filter. To double-check the
adjustment, remove the blue filter and observe the yellow and cyan bars. If the tint is set too red,
the cyan bar will look green and the yellow bar will look orange. If the tint is set too green, the
cyan bar will look blue and the yellow bar will look green.
Large Outside Bar
Small Center Bar
Large Outside Bar
Small Center Bar