BC D
MACHINE
ALPHABETIC & NUMERIC
BIT
CODE
N
0
C T
CHARACTER
CASE
1
2
4
8 A B
K
E
· ...--
U
1
_-
A
L
1 0
0
·0
1 I 0
·
...-...-
U
.0-
I-l-
...-
B
L
0
I 0 0 1 1
· -
U
I
-...-
C
L
I
I
0 0 I 1
1
·
---
U
1
...-
D
L
0 0 1 0 1 1
0
· -
......
'
U
1
...- E
L
1
0 1 0 1 1 1
•
...-...-
~to
1
...-
F 1
1
0
1 1
1
?
-
-
U
0
1
0
1 1 1
1
1-=:
G L
1 1
1
0 1 1
0
l:{
--
--
U
0 0
1
1
1 1
1
---
H
L
0 0 0 1
1
1
0
5----;-
U
1 0 1 1
1
1
0
L
1 0
0
1
1 1 1
·
...---
U
1
__
--
J
L 1
0
0
0
0
1
1
·
--.-
U
1
:..--
K L
0 1
0 0
0
1
1
~----(
U
1
L
1 1 0 0
0
1
0
·
...-...-
U
1
......
- M
L
0
0
1 0
0
1
1
!-
...-'-
U
1
N
L
1
0 1 0
0
1
0
I!--
......
-
U
1
0 L
0 1 1
0 0 1
0
,
--
U
0
1 0 1
0
1
0
;,--
P
L
1
1 1
0 0 1 1
j.....--
.......
--
U
0
0
1 1
0
1
~
Q
L
0
0
0
1
0 1 1
J
..._
--
U
1
0 1 1
0
1 1
--
R
L
1
0
0
1
0
1
0
~--
...-
U
1
S L
0
1
0 0 1 0 1
·
---
U
J
--
T
L
1
1
0 0
1 0
0
·
...-...-
U
1
- U
L
0
0
1
0 1 0 1
·
--
U
1
..._...- V
L 1
0
1 0 1 0
0
.----
U
1
.-
W L
0 1
1
0 1 0
0
+:
...-
U
0 1
0
1
1 0
0
...---X
L 1
1
1
0 1 0
1
0/0
.,..,..
........
U
0
0
1 1
1 0 0
.--
y
L 0
0
0
1 1 0
1
""
-
-
U 1
0
1 1 1 0
1
..-
-
Z L
1 0
0 1
1
0 0
.
..-
-
--
1
-
1 L
1
0 0 0
0 0 0
·
--
I
.-
2
L
0 1
0
0
0 0
0
· ...--
U
1
...- 3
L
1 1
0 0
0 0
1
.--
--'
U
1
...-
4
L
0 0
1 0
0
0
0
·
---
U
1
_--
5
L
1
0 1 0
0 0
1
·
.---
U
1
_--
6
L
0 1
1 0
0 0
1
· -
U
1
...-...-7
L
1
1 1
0
0 0
0
(ill
..._
...-
U
0 0
1
1
0 0 1
--
8
L
0
0
0 1
0 0
0
--
U
1
0
1 1
0 0
0
...-
...-
9 L
1
0 0 1
0 0
1
~--;
U
0
1
1
1
0 0
0
L
0
1
0
1
0 0
1
~~,-
--
U
0
1
1
1
0
1
1
-
L
0
0 0 0
0
1
0
-~--;
U
1 1
1
1
0 0
1
L
1 1
0
1
0 0
0
_'---
--
r
U
0 1
1
1
1 0
1
L
(I
0 0
0
1
0
0
>~.,;
U
(I
1
1 1
1 1
0
L
0
0 0
0
1 1
1
6..._
--
U
1 1
1 1
0 1
0
--
$
L
1
1 0
1
0 1
1
-+t+-
_--
U
I
1
1 1 1
0
0
--
L
I 1
0 1
1
0
1
f:
---
U
1 1
1 1
1 1
1
--
.
L
1
1 0
1
1 1
0
~/-;
U
1
L
I
0 0
0
1 0
1
NOTES:
1.
Selecting this type head position
in
upper
case
will
generate
an
invalid
code.
The
BitCheckmayappeareither
odd
or
even.
2.
B its
are
formed
by
contact
closure
(print
selection
transmitting
and
shift
mode)
between
terminal
"Y"
and
the
bit
lines
(see
BCD
Wiring
Diagram,
pogc
20).
3.
All
bits formed by selection
of
any
alphabetic
or
numeric
character
ore
indicated
by
lilli,
BIT
OPERATION
Space
Backspace
Tab
C.
R •
Index
U.C.
SH.
L.C.
SH.
NOTES:
1-
2.
BC
D
MACHINE
OPERATIONAL
BIT
CODE
C
1
2 4 8
A B
K
1
0
1
1
0 0 0
0
1 1
1
0
1
1
1
0
1
1
1
0
1
1
0
1
1 0 1 1
1
0
1
1
1
1
0
0
1 1
1
0
0 0
0
1 1
1 1 1
0
Both a 4
and
an
8 Bit
are
transmitted
dUI
each
operational
function.
Closing
any
N
operational
feedback
contact
(C 3,
C4,
C5
ing
/0
,
or
io-
C6)
connects
terminal
X
(see
BCD
Wiring
D
gram,
page
7)
to
lines
4
and
8.
All
other
bits
for
operational
functions
generated
by
closure
of
the
operational
tro
are
ns-
mitting
contacts
and
are
gated
by
either
C3,
C4,
C5,
or
C6.
BC~
MACHINE
CONTACTS INVOLVED IN GENERATION
OF
ALPHA-NUMERIC
BITS
TERM.
THROUGH DIODES,
PRINT
SELECTION
TERM.
CASE
IN
TRANSMITTING
AND
SHIFT
MODE CONTACTS OUT
2 2
R5
N/C
&
R2A*
N/O
y U
or
l
r-
__
r-
____
~R~5~N~W~O~&~R=2A~N~li~IC~&~*2~N~I/~IC~-------------+~
_____
~
__
R1
N/O
y
'U
or
l
o &
R2*
N/C
& 0 & *2
N/O
y I U
4
4
*1
N/C
&
R2
N/O
&
R2A*
N/C
#1
N/O
& 0 &
R2A*
N/O
yY
---1
1
-
U
L
r-
__
r-~
__
~O~&~Rc1*~N~/IC~&~O~&_*=2~N~I~~O
____
.
___________
~
___
YL_~
__
~
__
8 8 0 & "2
N/O
y I u
o &
R2A
N/O
& *2
N/C
y I l
~C""::~~+-C~~=:---+~~D~~-7E2~~~'~7:*---:-:N--/O=--&--;r#.2-.-N--;/C-------·~~~~~~-----+---'-yy:.-
-_
3
-~
~ul:
~
o &
CK
N/C.&
0 &
#2
N/O
_
NOTES:
1.
Asterisked (*)
rotate
contacts
are
bottom right -
all
others
are
bottom
left.
2.
Circuits
through
N/O
Tilt,
Rotate, and
*1
&
#2
Mode
contacts
indicate
that
the
contact
is
transferred.
I
3.
Circuits
through
N/C
Tilt,
Rotate, and
*1
&
112
Mode
contacts
indicate
that
the
___
-~I,.I
cpntact
is
not
transferred.
_
l::=======±==========:=======--=_::-.:-=~-=
::::_~.~-:..
4-9
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