Restricts the range of valid characters. The offered character set depends on the selected classifier.
- In the upper pane, the Valid
Characters tab displays a button for each possible character of the selected
classifier.
A pressed button corresponds to a valid character.
For more information, see General Tab.
- In the bottom pane, there are check boxes that
enable you to edit entire character groups in one step.
If a check box is selected, the corresponding character group is valid.
- Use the All and
None buttons to edit the entire character set in one step.
By clicking All, all characters are marked as valid.
By clicking None, all characters are marked as invalid.