11 - imager field selection and resolution, 12 - decode zone, Sxga imaging area – Code CR3500 User Manual

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1.11 - Imager Field Selection and Resolution

The CR3500’s dual field optical system may be modified based on your scanning environment.

The 1.3 Million Pixel imager is divided into wide field and high density decode zones. In each zone the resolution is 1024 x
640 pixels (see Figure 1.25).

If only the high density field is used (small symbols), the wide field image can be ignored. If only the wide field is used
(large symbols), the high density field can be ignored. Further optimization may be obtained by "windowing" the field to
a smaller area.

BY DEFAULT, THE CR3500 DECODES ONLY THE WIDE FIELD.

SXGA Imaging Area

Figure 1.25

Wide

High

Density

1024

640

1.12 - Decode Zone

Figure 1.26

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