
THERMAL RECEIPT PRINTER
16
ESC –
n
[Name] Turn underline mode on/off
[Format] ASCII ESC -
n
Hex 1B 2D
n
Decimal 27 45
n
[Range]
0
≤
n
≤
2, 48
≤
n
≤
50
[Description] Turns underline mode on or off, based on the following values of
n
:
n
Function
0, 48
Turns off underline mode
1, 49
Turns on underline mode (1-dot thick)
2, 50
Turns on underline mode (2-dots thick)
[Details] • 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 id 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,
that the last received command is effective.
•This command does not affect the setting of Kanji characters.
[Default]
n
= 0
[Reference]
ESC !