DataCard UltraGrafix Select Manual de Instalação descarregar pdf (Página 250)

238 Vision Verification Module

7. Move the crosshair so that the horizontal line of the crosshair is on the

baseline of the text and the vertical line of the crosshair is at the left edge of

the first character.

The crosshair defines the ideal location for the text.

8. Click the icon to the right of the Data box and select Value.

9. Enter the characters that appear in the box you defined.

10. Se

lect the Data Contrast Type.

11. Cl

ick Browse and select the Font Filename for the data you are verifying.

Click Choose.

12. E

nter the Font Point Size for the data you are verifying. You can specify point

sizes in tenths of a point.

13. E

nter a Pass Threshold value that is as high as you can without causing too

many false rejects, and then click Test. The system will report an average

score for all the selected characters in the image and a minimum score for the

character with the lowest quality. The system also reports on recommended

scaling. If the green text is bigger or smaller than the image, then you can

change the scaling (from the Advanced Tab). Close the Test Results window.

You can change the Font Point Size and Font Filename as often as

necessary, and retest as often as necessary, to achieve good test

results.

14. On the Card Properties Verification tab, select Data Field and then select the

name of the data field.

15. C

lick the icon to the right of the Data box and select Data Field.

16. From the Data list, select the field name to compare to the pre-printing on the

card.

17. Save the Card

Setup.

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DataCard UltraGrafix Select Manual de Instalação Página 250