Epson A794-D100 - Manual (Page 78)

Chapter 6: Programming Information A794 Owner’s Guide
March 1999 72
Select or Cancel Underline Mode
Turns underline mode on or off. Underlines cannot be printed for spaces set by the
Horizontal Tab, Set Absolute Start Position, or Set Relative Print Position commands.
This command and the Select Print Mode(s) command (1B 21) turn underline on and off
in the same way.
ASCII ESC - n
Hexadecimal 1B 2D n
Decimal 27 45 n
Value of n 0, 48 = Cancel underline mode
1, 49 = Select underline mode
2, 50 = Select double thickness underline mode
Default 0 (Cancel underline mode)
Exceptions
This command is ignored if n is out of the specified range.