Canon DR-6030C - Manual (Page 84)

78 Software Setup
[Export] Button
Clicking this button exports the custom gamma curve settings as a gamma
table file (*.pxg.)
[Image processing] Tab Sheet
The [Image processing] tab sheet provides settings affecting processing of scanned
images. Some settings may be disabled depending on the mode settings on the
[Basic] tab sheet. Refer to “Mode-Dependent Function Limitations,” on p. 68 for
details.