Code CR3500 User Manual download pdf (Page 56)

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5.2 - Windowing

If only one size of bar code is being scanned in an applicaon, the CR3500 can be opmized to reduce processing me by adjusng the

viewing area within the eld of view of the image.

By reducing the vercal window value of the imager to 200 pixels, 1-D codes are processed more quickly. Because only a horizontal

strip of a 1-D code is needed to be decoded, using a narrow strip of the imager is all that is needed. The area above and below the 200

pixels, which is always in the center of the imager, is ignored. This approach reduces the number of pixels that must be processed.

Windowing can improve the processing me of 1D and 2D codes.

You may negavely impact reader performance if the window size is too small. If it is necessary to have the reader farther away than

normal to read the code, the window may be too small.

Reading other types of codes, especially large codes, may be dicult while using this seng.

Medium Code Windowing

Small Code Windowing

SAMPLE

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 62 63 64

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Code CR3500 User Manual Page 56