Canon CXDI-31 Service Manual page 108

(4) Fine adjustment
1) As the step (3)-3) above, make the system "READY" by selecting the exposure mode
"SMPTE" on the exposure screen.[Fig. 4]
2) On the X-ray generator, press the exposure button. After the exposure, adjust the trim so
that the gray scale may be located in the center of the image. [Fig. 5]
* For correct density measurement of the 32-step chart, the gray scale must be printed in the
center of an image to eliminate the shading feature.
2 Installation Manual
[Fig. 4]
[Fig. 5]
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