The value field (#) specifies the number
of
lines per inch. The
possible values are
1,2,
3,
4,
6,
8,
12,
16,24, and
48
lines per inch.
The default line spacing
is
six lines per inch.
If
a request
is
made
for
a line spacing which
is
not
supported by the printer, the
command will be ignored
To
set your vertical line spacing
to
8 lines per inch,
for
example,
send the
Ec&18D
escape sequence
to
the printer.
Setting Vertical Motion Index
Instead
of
setting the vertical spacing in terms
of
lines per inch,
the spacing can be set in
1/48 inch increments. This setting
is
called the vertical motion index (VMI).
To
set the vertical motion
index, send the following escape sequence
to
the printer:
Ec&I#C
# = Number
of
1/48 inch increments per line
The value field
(#) specifies the number
of
1/48 inch increments
you wish
to
use
to
space one line. For example, a value field
of
6
would set the line spacing
to
6/48
inch (6/48 inch =1/8 inch =8
lines per inch). The available range
of
values
is
0
to
126 and can
be specified
to
four
decimal places.
HORIZONTAL
CURSOR SPACING
The
font
pitch (horizontal spacing increment) can be overridden
using the horizontal motion index (HMI) escape sequence
as
follows:
Ec&k#H
# = Number
of
l/120
inch increments per character
The value field
(#)
specifies the number
of
1/120 inch increments
to
be used
for
horizontal cursor movement (values range from 0
to
126
and
are valid
to
four
decimal places).
For
example,
to
set
the HMI
to
10
characters per inch, the Ec&k12H escape sequence
2-12
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