Canon CXDI-1 Operation Manual page 82

7. Processing the Image (QA Mode Screen)
Table 7.4.2: Gray scale Curves and Their Characteristics
Name
BONE #2
CHEST #2
BONE #3
BONE #4
3
Set the REX.
Touch or to select a setting from1 to 16383.
Or, touch the frame and enter the value from the ten key window.
The larger the number, the lighter the entire image. The smaller the number, the darker
the entire image.
REX usage examples
To observe over time a patient whose image has been taken before, take the image
using the same exposure conditions, contrast, and gray scale curve as before.
You can also observe under the same conditions by setting the gray scale to REX
ADJUST. and setting the REX to the same value as before.
The low density area can be seen almost the same as in BONE
#1. However, soft tissue in a high density area can be observed
more clearly.
This is the version of the CHEST gray scale curve that
supports high contrast.
This is the version of the BONE #1 gray scale curve that
supports high contrast.
This is the version of the BONE #2 gray scale curve that
supports high contrast.
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Features