Specifications
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Introducing Color Correction
white. In effect, it adjusts the Setup and Gain controls to maximize the
tonal range in the image.
5. Yo u s hou ld ex am in e p ar t s o f t he i nt er f ac e di re c tl y af te r an A ut o
Contrast adjustment as follows:
Look at the image itself. Did the automatic color correction cor-
rectly identify what should be white and what should be black?
Does the contrast of the image look good?
Look at the Y Waveform monitor. Notice which parts of the image
it adjusted. Match the waveform against the image itself, and
determine whether it mapped the correct areas to video black and
video white.
6. If necessary, tweak the setup, gain, and gamma using the manual sliders.
Yo u w ill mo st com mo nl y ad ju s t t he g ai n v alu es man ua lly be cau se Au to
Contrast tends to overdrive the whites. Also, because Auto Contrast
does not provide independent adjustment of midtones, you may need
to adjust the gamma to brighten or darken the image.
To make an automatic color balance adjustment in the H S L tab:
1. Display the RGB Parade in the left color correction monitor by choos-
ing it from the menu.
2. Make sure Hue Offsets > HSL tab is selected.
3. Click the Auto Balance button
to balance the color.
Clicking this button adjusts the three ChromaWheel controls, attempt-
ing to eliminate color casts in each of the neutral color zones—black,
white, and neutral gray. If a color cast exists, you should notice as the
crosshairs of the ChromaWheels will move to new locations.
Auto Balance analyzes the image and adjusts the ChromaWheels
to neutralize color casts in the shadows, midtones, and highlights
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