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3-20
• Simplex Mode
Simplex format allows one image to be exposed across the film width. A
24:1 reduction ratio is used for this format.
• Duplex Mode
Duplex format allows front and back images of the same document to
be exposed (at the same time) across the film width. A 40:1 or 50:1
reduction ratio is used for this format.
• Duo Mode
Duo format allows documents to be filmed across one-half of the film
width, with additional documents filmed on the adjacent side. A 40:1 or
50:1 reduction ratio is used for this format.
A-61097
May 1997
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