UROVO DT50S User Manual page 38

Select the default type from the drop-down list box or define any
character as the prefix/suffix;
3. Replace: select the mode and modify the former character to be
substituted and the substitute character and set the value of the
substituted and that of substitute. The former character needs to be
input in ASCII code (e.g., if the former character "1" needs to be
substituted, enter its corresponding ASCII code value "31");
4. Delete Non-printing Control Character: select the mode and delete
any nondisplay character;
Figure 2- 27 Edit Suffix/prefix
Figure 2- 28 Edit Suffix/prefix
Figure 2- 29 Edit Replace
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