Absolute Form Length - Epson FX-80 User Manual

of the next 2-inch form. (If your computer can't send a 12, try 140. Or
see Appendix H.)
The second format (without CHR$(O)) sets the form length by
counting the number of lines. The printer accepts form lengths from 1
to 127 lines. Check it by making the changes shown below and RUN-
ning the program again; see if your printout matches Figure 8-3.
1!J LPRINT CHR$(27)"C"CHR$(2)
3!J LPRINT CHR$(12)"TWO-LINE FORM"
TWO···L I NE
FORtv1
TWO--!...
I
NE
FORI"!
TWO .... !... I!\IE
FORM
TWO··L I NE
FORM
Figure 8·3. Example of 2·line spacing.
So what's the big difference when we can just convert lines to inches
(or vice-versa)? Mainly it's a matter of convenience, but setting the
form length by number of lines does give you a greater potential
range. You want proof? Okay. Suppose the line spacing is set to its
maximum 85172nds of an inch. If the form length is also set to its
maximum of 127 lines, the result is nearly 150 inches, a lot more than
. the maximum of 22 inches. Except for this difference, which form
setting command you use is a matter of personal preference.
Absolute form length
In both cases the form length is set absolutely when the
<
ESC> "C"
is issued. That is, subsequent changes in line spacing have no effect on
form length. Test this out with the following changes to the current
program:
94
1!J LPRINT CHR$(27)"C"CHR$(14)
22 LPRINT CHR$(27)"A"CHR$(8*X)
24 LPRINT "LINE 1"
2~
LPRINT "LINE 2"
3!J LPRINT CHR$(12)"FOURTEEN-LINE FORM"