ADLINK Technology RTV Series User Manual page 83

If the image is chromatic and is YUV type, there are three curves
represented y, u, and v individual in the chart. The window is
shown below:
Zoom In
Open a window to zoom in the green rectangle region.
Differential
Open a window to show the slop of the line for the green rectangle
region.
Drag the vertical green line to resize the green rectangle.
Show/Hide Red Values
Show or hide the red value of the pixels.
Show/Hide Green Values
Show or hide the green value of the pixels.
Show/Hide Blue Values
Show or hide the blue value of the pixels.
ViewCreatorPro Utility 73