Epson RP-U420 manual Esc, Bit Off/On Hex Decimal Function

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C O N F I D E N T I A L					■■ ■■ ■■	more
ESC !					SETTING COMMAND
[Name]	Select print mode(s)
[Format]	ASCII	ESC	!	n
	Hex	1B	21	n
	Decimal	27	33	n

[Range]

[Default]

[Description]

[Notes]

0 ≤ n ≤ 255

n = 0

Selects print mode(s) using n as follows:

Bit	Off/On	Hex	Decimal	Function
0	Off	00	0	Reserved
1	Off	00	0	Reserved
2	Off	00	0	Reserved
3	Off	00	0	Reserved
4	Off	00	0	Reserved
5	Off	00	0	Double-width mode not selected
	On	20	32	Double-width mode selected
6	Off	00	0	Reserved
7	Off	00	0	Underline mode not selected
	On	80	128	Underline mode selected

If the underline is added to the characters to be printed, the lowest bit of the characters overlaps the underline; therefore, this may cause difficulty in reading. Keep this in mind when the underline is added.

RP-U420 Character commands ESC ! Ver. 1.0 p. 32