Kodak Advantix C370 Owner's Manual page 11

Film Status Indicator (FSI)
A highlighted indicator advances
from one symbol to another to
identify the status of the film
inside the cassette.
Look for this logo to be certain that the film
you buy is made for this camera.
Look for this logo to select a certified
photofinisher for developing your film and to
assure that you get all the features of the
Advanced Photo System.
Processed negatives
Unexposed
Partially
exposed
Fully exposed
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