Honeywell 4600GSR051C-0F00E User Manual - Page 60
Centering, Aimer Delay
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Centering Use Centering to narrow the imager's field of view to make sure the imager reads only those barcodes intended by the user. For instance, if multiple codes are placed closely together, centering will insure that only the desired codes are read. (Centering can be used in conjunction with Aimer Delay, page 3-10, for the most error-free operation in applications where multiple codes are spaced closely together. Using the Aimer Delay and Centering features, the imager can emulate the operation of older systems, such as linear laser barcode imagers.) In the example below, the gray area is the full imager field of view and the white area is the centering window. Barcode 1 will not be read, while Barcode 2 will be. Barcode 1 Barcode 2 The default centering window is a 128x96 pixel area in the center of the imager's field of view. The following diagram illustrates the default top, bottom, left, and right pixel positions, measured from the top and the left side of the imager's field of view, which is 640 by 480 pixels. 40% 60% 100% 0 Top 40% Bottom Default Center 60% Left Right 100% If a barcode is not within the predefined window, it will not be decoded or output by the imager. If centering is turned on by scanning Centering On, the imager only reads codes that intersect the centering window you specify using the Top, Bottom, Left, or Right barcodes. 3 - 12 4600rp, 4600g/4600r, 4800i User's Guide