Star StarJet SJ-48 User Manual page 54

Select character height, width, and line spacing
IBM
<ESC> "[" Y@" <4> <o>
27 91 64 4 0
IB 5B 40 04 00
<O> <O> n m O 00 00 n m
Selects a combination of character height, width, and line spacing according to the
value of n and m, as below. Does not move the base line.
n
1
2
16
17
18
32
33
34
Line spacing Character height
Unchanged Unchanged
Unchanged
Single height
Unchanged
Double height
Single
Unchanged
Single
Single height
Single
Double height
Double Unchanged
Double Single height
Double
Double height
m Character width
1 Single width (same as <ESC> "W" O)
2 Double width (same as <ESC> "W" 1)
48