Kodak DCS 410 - Manual (Page 79)

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 Preparing the Camera and the Computer G 4-35
B. Make a backup of the calibration diskette; you cannot obtain
images from the camera without the CAL file.
C. Follow the appropriate part of this step for your computer system.
Macintosh: Copy the calibration file (its name ends with the
characters “.CAL”) into the folder containing your Photoshop
plug-ins (it is probably named P
LUG
-I
NS
).
TWAIN (PC): Run the SETUP program to install the calibration
file.