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Operator’s Guide 185
ESC I Control Codes/Printable Characters
ASCII:
ESC I (n)
Control:
CTRL
[I (n)
Decimal:
27 73 (n)
Hexadecimal:
1B 49 (n)
Specifies whether the undefined data bytes from 0 to 31 decimal (00 to 1F
hexadecimal) and 128 to 159 decimal (80 to 9F hexadecimal) are control
codes or printable characters. ESC I does not affect the defined control
codes such as BEL, BS, HT, etc. See the chart in Appendix D.
n indicates whether the data byte values are control codes or printable
characters as follows:
•
n = 0 or 48: Control codes (ignore undefined characters)
•
n = 1 or 49: Printable characters
This control sequence works only if you have selected an Epson
Character Set.
Example
REM SET AS CONTROL CODES
LPRINT CHR$(27);"I";CHR$(0);
REM SET AS PRINTABLE CHARACTERS
LPRINT CHR$(27);"I"CHR$(1);