Star Micronics Line Thermal Printer - Manual (Page 32)

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STAR Line Mode Command Specifications 3-16
ESC – n
[Name] Select/cancels underling mode
[Code]
ASCII ESC - n
Hex. 1B 2D n
Decimal 27 45 n
[Defined Area]
n = 0, 1, 48, 49
[Initial Value] n = 0 (Underline cancelled)
[Function] Specifies underlining (2 dots).
Underlines are composed of 2 dot lines.
Underlines are not applied to horizontal tabs and to specified horizontal direction positions.
Underlines are expanded if the character expansion is specified. (When double high expansion is
used, underlines are composed of 4 dots.)
Underlines are enabled for white/black inversion.
This command is enabled for ANK characters and Chinese characters.
IBM block ignores underlines.
n Underline
0, 48 Cancels underline
1, 49 Specifies underline
ESC _ n
[Name] Specify/cancel upperline
[Code] ASCII ESC _ n
Hex. 1B 5F n
Decimal 27 95 n
[Defined Area]
n = 0, 1, 48, 49
[Initial Value] n = 0 (Upperline cancelled)
[Function] Specifies upperlining (2 dots).
Upperlines are composed of 2 dot lines.
Upperlines are not applied to horizontal tabs and to specified horizontal direction positions.
Upperlines are expanded if the character expansion is specified. (When double high expansion is
used, upperlines are composed of 4 dots.)
Upperlines are enabled for white/black inversion.
This command is enabled for ANK characters and Chinese characters.
IBM block ignores upperlines.
n Upperline
0, 48 Cancels upperline
1, 49 Specifies upperline