Star Micronics TSP200 Series Programmer's Manual page 54

Disable download character set
FUNCTION
CODE
<ESC> "%"
1B
HEX
Disables the selected download character set and returns to the
REMARKS
built-in ROM character set.
"0" or <ESC> "%" <0>
25 30 or
– 50 –
1B 25 00