BenQ 7400UT User Manual - Page 127
Drag the curve to the left, and the, The x-axis in
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The x-axis in the Tonal Map represents the input brightness level of the pixels in an image. The y-axis represents the output brightness level of the image. By clicking and dragging the curve to change its shape, you can adjust the difference between input and output brightness level of an image without extensively modifying the dark and bright areas. If we compare the following images and their Tonal Maps: The original image and its Tonal Map. The curve is straight and diagonal. Drag the curve to the left, and the mid-tone area of the image becomes brighter. Drag the curve to the right, and t mid-tone area of the image becom darker.
![](/manual_guide/products/benq-7400ut-user-manual-c08d3b2/127.png)
The x-axis in the
Tonal Map
represents the input brightness level of the pixels in an image. The
y-axis represents the output brightness level of the image. By clicking and dragging the curve to
change its shape, you can adjust the difference between input and output brightness level of an
image without extensively modifying the dark and bright areas. If we compare the following
images and their Tonal Maps:
The original image and its Tonal Map.
The curve is straight and diagonal.
Drag the curve to the left, and the
mid-tone area of the image becomes
brighter.
Drag the curve to the right, and t
mid-tone area of the image becom
darker.