Rjs Inspector D4000 Laser (FIRMWARE version A.05 and E Manual de usuario Pagina 56

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Appendix H Operators Guide
RJS, Minneapolis, MN 002-5568
50
Figure 1 Scanning angle and distance
Scan distance See Fig. 2
Scan Angle 30 degrees
From Vertical
Figure 2 Optimum beam width and placement
Bar code centered in laser beam
*W
*2W
* Adjust scan distance at minimum 2 (51 mm) or the width of the laser beam is approx-
imately two times the width of the bar code.
Special Considerations
When scanning codes on a low contrast substrate like brown corrugated material or a
specular substrate such as shiny aluminum or plastic material, a scan angle other than 30
degrees from vertical may produce better decoding characteristics. Contact RJS Technical
support if scanning problems occur.
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