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C-22
ESC ( - nL nH m d1 d2 Set underline
Set underline
Hex: (1B 28 2D nL nH m d1 d2)H
Decimal: (27 40 45 nL nH m d1 d2)D
Octal: (33 50 55 nL nH m d1 d2)O
(nH * 256 + nL) defines the number of following data in this command.
ESC ( - 0x03 0x00 0x01 0x01 d2 (d2 not 0) set underline in mode
ESC ( - 0x03 0x00 0x01 d1 0x00 (d1 not 0) reset underline in mode
Else, ignore this command (including ( nH * 256 + nL) bytes behind nH).
SO Set double-width printing
This command causes to print the printable character behind it as horizontally enlarged (double
width). This command is only valid for one line.
Hex: (0E)H
Decimal: (14)D
Octal: (16)O