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Graphics
Pin labels
To
tell
the printer
whiih,,.pins
,to.&e in each column,
)rou
ne&a
numbering system that separately
ident$fies
ewh
of
the eight
pins.
Since there are
256
possible combinations of the eight pins in each
section,
you
use
the
,*Geriri&‘b#km
shiM
W&y.
’
ir
:
1
:
128
E
18
:
2
1
I
.'
'-.'.
To fire any one pin, you send its number. To fire
more than
one
p‘in
at
tktim&
time, add
+p
the
nurtilk~
of the pins and ‘send’ the
sum to
the
pfiter.
VVW
‘tl\esc
1&&4&r
the
piA,
you fin the
iop
pin by sending
128.
To
fire
the
b&ttoti
*pin;
yoti
‘M&&l
l.“If
you
want to
irq
,only.
the top
qnd.bott?m
pins, you
,siq\pb
@d
128
and
I,
and
send
129.
By
addii
the appropriate label numbers together, you
dan
fire any
com&Aation’
C&~&U.
Mow
are’thrke
extipld
d
h&
to
calculate
the number
t&tit
tili,$ire
a
particulati
pattern of
-$ink
4-12
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