Rockwell Automation 2755 AdaptaScan Software - Manual (Page 82)

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Publication 2755-838
To use focus:
1. Click the Focus button on the Scanner dialog.
The Focus dialog opens.
2. Position a slightly skewed label (about 20
_) in the center of the
expected depth of field. Refer to the instructions in Chapter 3 for
assistance.
3. Click the Start button to initiate the focus. It takes several
seconds for focus to complete its scanning.
The Focus dialog displays the results of the focus after the Reader
scans the label at different focal distances. For a description of
the results, see page 4–15.
4. Make manual adjustments to the focal distance to optimize
Reader performance.