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Put the visualizer on the examined document with the sensitive
element facing downwards.
Not all documents are printed using magnetic ink. So if there is
no document with magnetic security features at the initial startup of
the device, use the test object from the visualizer delivery set to check
device operation.
See paragraph 6.5 for more information about the purpose and use
of the test object.
To activate the mode of continuous image input, press the right
functional button of the visualizer (Figure 1, pos. 3). This mode can
also be activated by clicking on the button of continuous input B
(Figure 4). The continuous input window displaying the visualization
result of the magnetic image on the examined document (Figure 5)
will appear in the CADR main window. When shifting the visualizer
along the document surface, the image in the continuous input window
changes accordingly.
Move the visualizer along the document surface to nd images
printed using magnetic inks.
In the continuous input window, the user can take a single frame
of the examined image for further processing. For this purpose, place
the visualizer so that the questioned image fragment takes the desired
position in the continuous input window. Press the left functional
button of the visualizer (Figure 1, pos. 4). The image fragment will
be copied as a permanent frame into a separate window next to the
continuous input window. Assess the result and, if necessary, repeat
the copying procedure.
It is possible to capture several frames which will be displayed in
separate windows. Afterwards, the images from these frames can be
processed using the tools of the CADR software (for more information
about the tools see the le CADR_ENG.DOC from the visualizer software
set and paragraph 6.4 «Processing the Results»). The obtained results
can be saved to the PC hard disk in one of the standard graphic
formats. To do so, select the menu items [File]->[Save] of the CADR
application.
In the process of device operation, background image input can be
repeated (if necessary) by clicking on image input button and following
the instructions described above.
The visualizer supports two image formats — 512×640 pixels and
1024×1280 pixels. We recommend using the 512×640 format
(Figure 5).