To remove
C0 codes from text columns in the database choose Administration - Maintenance
from
the menu. A window will open as shown below. On
the tab page
Tools either start a query for all tables and
columns in the database or select the table and column you want
to test for the existance of C0 codes in the data. The data will
be checked for C0 codes from 1 - 31 excluding 9, 10 and 13. If
C0 codes are detected, these will be listed as shown below with
C0 codes indicated by the ■ sign. You can either ignore this
sign or
remove it from the data using the corresponding buttons.