Epson MX-80 User Manual page 49

How Dot Matrix Printing Wo
Nothing new here. Just like we're used to.
At the command level type:
>LPRINT C H R $ ( 2 7 ) " 0 "
and RUN it again.
L I N E ONE
L I N E TWO
L I N E T H R E E
Figure 5-6
That's what 1/8" spacing looks like. From the top of one character to the top of
one on the next print line is only 9 dots, instead of our usual 12. Getting a little
snug.
Let's tighten it up a bit more by typing:
>LPRINT C H R $ ( 2 7 ) " 1 "
and RUN again.
m
Figure 5-7
That's too tight for comfort. 7/72 of an inch spacing with only 7 dots from top to
top. let's go back where it's more comfortable.
>LPRINT C H R $ ( 2 7 ) " 2 "
and RUN.
L I N E ONE
L I N E TWO
L I N E T H R E E
Figure 5-8
That's better. Any of those commands can be built into a program as well as used
at the command level.
For the Afficianado
The 3 options above cover the needs of most users, but there are many more "fine
grain" options that can be used to " t w e a k " the vertical spacing. We will lightly
explore how it's done to demonstrate the capability. Those who get really jazzed
by this sort of thing can let their own imagination fly them away to where it feels
good.