Bio-Rad Quantity One 1-D Analysis Software - Manual (Page 284)

Appendix C. ChemiDoc XRS
C-11
Fig.C-10. Using the saved reference image.
Note: Flat fielding is unavailable for White EPI illumination and chemiluminescence
applications.
C.5 Options
Click on the Options button to open the Options dialog box. Here you can specify
certain settings for your ChemiDoc XRS system.