BT-532C User manual
codes,HRI characters, and spacing skipped by HT, ESC $.
This command does not affect the space between lines.
White/black reverse mode has a higher priority than underline mode. Even if
underline mode is on, it is disabled (but not canceled) when white/black
reverse mode is selected.
1b 40 1d 42 01
30 31 32 0d 0a
30 31 32 0d 0a
Set the underline dots(0,1,2)
Set the underline dots(0,1,2)
ASCII :ESC - n
Decimal :27 45 n
Hexadecimal :1B 2D n
Turns underline mode on or off, based on the following values n:
Turns on underline mode (1 dot thick)
Turns on underline mode (2 dots thick)
The printer can underline all characters (including right-side character
spacing), but cannot underline the space set by HT.
The printer cannot underline 90° clockwise rotated characters and white/black
inverted characters.
When underline mode is turned off by setting the value of n to 0 or 48, the
following data is not underlined, and the underline thickness set before the
mode is turned off does not change. The default underline thickness is 1 dot.
Changing the character size does not affect the current underline thickness.
Underline mode can also be turned on or off by using ESC !. Note, however,