Citizen CBM1000II Command Reference Manual page 34

ESC ? n
[Function]
[Code]
[Range]
[Outline]
[Caution]
[See Also]
Deleting download characters
<1B>H<3F>H<n>
32 n 126
Deletes the downloaded characters of specified code.
• The character "n" indicates the character code used to delete
the defined pattern. After the deletion, characters are printed
in the same pattern as the internal characters.
• This command deletes the code-defined pattern of the
character font selected by ESC !.
• This command is ignored if the specified character code is
undefined.
ESC &, ESC %
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