Cognex DataMan 150 QL, Справочное руководство

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2. Using a flathead screwdriver, set the focus position from the front. Always turn clockwise to focus to a larger
distance and counterclockwise to focus to a shorter distance.
Note : If an optical filter has been mounted, first disconnect the DataMan 150 reader from power and remove
the illumination module with the filter before adjusting the focus.
3. Remount the front cover. Observing the tightening sequence below, tighten all four screws to 9 Ncm using a
torque wrench.
Note : If you use an optical filter and the illumination was removed, remount the illumination module first and
then remount the front cover.
Note : The rib in the front cover must be oriented to the top side.
Tuning
By tuning, your DataMan 150 reader automatically selects the best settings for the given reading situation, based on
parameters of illumination, camera and decoder properties, and focal distance. Tuning autodiscriminates all enabled
symbologies (both 1-D and 2-D). If multiple symbols are found in the field of view, tuning locks on the first one found. Use
this feature to create an optimum setting to read your codes.
You can use any of the following methods to tune your reader:
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Using Your DataMan 150