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After all 10 film frames have been exposed and processed, the Counter indexes to
a point where a "0" against a red background appears in the Counter window,
indicating that no film remains in the pack. At this point, a pin on the side of the
Counter closes the EOP (End Of Pack) Switch (Figure 1-36).
S9
EOP SWITCH CLOSES
Figure 1-36. Closing the EOP (End Of Pack) Switch
With the EOP Switch closed, a repeating chime sounds three times, signalling that
there is no film left in the pack. If the empty pack is left in the ProCam, the chime
will sound whenever the Shutter Button is pressed. This chime will also sound if
the ProCam is erected with an empty pack left inside.
Removing the empty pack disengages the Pack Pawl, causing the spring-tension
Counter Wheel to return to its starting condition. A blank appears in the Counter
window, the EOP Switch opens, and the S9 Switch closes. The ProCam is now in
the starting condition described at the beginning of this sequence of operations
section.
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