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Electronic Devices and Systems
4. After the adjustment, the unit reports: Calibration OK.
The calibration process is then complete. By pressing the
<Store> button, the program goes back to
the main screen.
5. The unit can be positioned for measurement in front of the
corresponding EAN -13 sample code for verification tool
monitoring (see Chapter 3.9.3).
3.9.2 Calibrating the REA ScanCheck 3n for 20 mil Aperture
For white value calibration for the measurements with the
20 mil aperture, the 20 mil adapter foot must first be
installed and the operating part moved to the front position
up to the stop.
The unit must then be positioned with its enlarged foot on
the center position in front of the white field of the
calibration card (dashed silhouette) such that the laser
beam illuminates the white surface unhindered.
The calibration steps 1 through 3 according to Chapter
3.9.1 must then be correspondingly repeated.
Figure: REA ScanCheck 3n with 20 mil adapter
A white value calibration is always required if the ambient light conditions have changed.
In order to verify whether white value calibration is required again at other locations, a calibration and
verification tool monitoring is first carried out at the normal unit location.
The verification tool monitoring is then repeated without renewed white value calibration on all other
desired measurement locations. If all measured values for all measurements remain within the desired
tolerances, no recalibration of the white value is required in the future when switching to the other
locations.
A dimensions calibration with the sample code on the calibration card is no longer required with REA
ScanCheck 3n. The unit was already calibrated in the factory to the corresponding size parameters
and adjusted by means of a factory calibration.
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