Cognex DataMan 8000 Series Snelle referentiehandleiding - Pagina 8
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Field of View and Reading Distances
There is a range of reading distances available for different code sizes
and focus positions. Select a focus position that allows you to read the
desired code sizes at the desired working distance.
• If your application has a consistent reading range, set the focus
range to a limited depth of ield with no steps (for example, set it to
20) or with limited steps (for example, set it to 2 steps between 0
and 30). This way, you can achieve fast performance.
• If your application has a variety of code types and sizes, set the
focus range to a wider depth of ield with increased number of steps
(for example, set it to 6 steps between 0 and 200). This way, you
can make sure your code is in focus.
For a map of the ield of view and reading distances, see pages 16-17.
14 DataMan 8000 Quick Reference Guide
Reading Codes
• Hold the reader approximately perpendicular to the code being read.
• Use the laser aimer to locate the code.
• Refer to the permitted working distances.
• Press and hold the trigger to read the code.
DataMan 8000 Quick Reference Guide 15