IBM Proprinter

Code
ESC-
ESC:
Description
Continuous
Underscore
Format
:
ESC
-;n;
When
n
=
1,
the
printer
underlines
all
data
and
spaces
that
follow.
ESC
-0
cancels
underscoring
.
LPRI
NT
CHR$
(27)
;CHR$
(45)
;CHR$ (n ) ;
or
,
LPRI
NT
CH
R$ ( 2 7 ) ;
"-";
CHR$
(
n)
;
Note: The
printer
does not underscore spaces
caused
by
a
HT
.
12
Characters
per
Inch
Printing
This
sequence
sets
character
spacing
to
12
characters
per
inch.
DC2
resets
to
10
character
s
per
inch
(CPI).
LPRI NT CHR$
(27)
; CHR$
(58)
;
or
,
LPRI NT
CHR
$
(27)
;":";
4-29