Canon CXDI-1, Operation Manual

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7. Processing the Image (QA Mode Screen)
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2
Select the characteristic gray scale curve.
Touch to open the window and select.
When adjusting the REX
If the REX is adjusted and then [ AUTO ADJUST.] is selected, a window is opened
with the message “Any REX value settings will be lost, OK?” To change, touch
[OK] .
Table 7.4.1A: Gray scale Curves and Their Characteristics
Name Features
CHEST This is an S-shape curve for examining the chest.
LINEAR This is a linear lookup table.
INV. LINEAR This lookup table reverses the image density.
STAN. CONTRAST
This is a standard S-shape curve. It is usually used for
examining bones.
BONE #1
While maintaining contrast in a low density area, soft tissue
can be observed in the high density area.
BONE #2
A low density area can be seen almost the same as in BONE
#1. However, soft tissue in the high density area can be
observed more clearly.
CHEST #2
This is the version of the CHEST gray scale curve that
supports high contrast.
BONE #3
This is the version of the BONE #1 gray scale curve that
supports high contrast.
BONE #4
This is the version of the BONE #2 gray scale curve that
supports high contrast.