Operator control and monitoring
9.2 Working with the user interface
SIMATIC MV420 / SIMATIC MV440
198 Operating Instructions, 04/2013, A5E02371045-06
9.2.6.2 Character font library
Note
The character font library is only available for the SIMATIC MV440 reader.
You can use the character font library to define your own character fonts for use in OCR
steps.
A greater range of applications is possible with user-defined character fonts than with
predefined fonts. For example, special characters can be recognized and accurate
recognition of the printed image makes recognition more reliable. The processing time
required is also shorter than with predefined fonts.
● You can create up to five user-defined character fonts and save them as library elements
in the character font library.
● You can select any of the character font library elements as character fonts in the OCR
steps of a program.
Creating a user-defined character font
You can create your own, user-defined character font in four steps:
1. Compile image collection ("Image collection" tab)
2. Generate prototypes ("Create" tab)
3. Assign and evaluate prototypes ("Assign" tab)
4. Save character font ("Save" tab)
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