Epson 4100 manual Operator’s Guide, Control Codes/Printable Characters

			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);