Hand Held Products 4800p User Manual page 34

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.
0
40%
60%
100%
If a bar code 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 bar codes.
Scan Centering On , then scan one of the following bar codes to change the top,
bottom, left, or right of the centering window. Then scan the percent you want to
shift the centering window using digits on the inside back cover of this manual.
Scan Save . Default Centering = 40% for Top and Left, 60% for Bottom and
Right.
Centering On
Top of Centering Window
Left of Centering Window
3 - 6
40%
Top
Bottom
Left
Right
60%
Default
Center
Bottom of Centering Window
Right of Centering Window
4800p 2D Imager User's Guide
100%
* Centering Off