Chapter 8
Reference
Display Characters
The 3-character display is often used to communicate nonnumeric information. As it
has only 7 display segments, letters are not always well formed. Below is a list of all
possible characters the display may be called upon to show.
a
a
a
ab
b
b
bc
c
c
cd
d
d
de
e
e
ef
f
f
fg
g
g
gh
h
h
hi
i
i
ij
j
j
jk
k
k
kl
l
l
lm
m
m
mn
n
n
no
o
o
op
p
p
pq
q
q
qr
r
r
rs
s
s
st
t
t
tu
u
u
uv
v
v
vw
w
w
wx
x
x
xy
y
y
yz
z
z
z
A
A
A
AB
B
B
BC
C
C
CD
D
D
DE
E
E
EF
F
F
FG
G
G
GH
H
H
HI
I
I
IJ
J
J
JK
K
K
KL
L
L
LM
M
M
MN
N
N
NO
O
O
OP
P
P
PQ
Q
Q
QR
R
R
RS
S
S
ST
T
T
TU
U
U
UV
V
V
VW
W
W
WX
X
X
XY
Y
Y
YZ
Z
Z
Z
0
0
0
01
1
1
12
2
2
23
3
3
34
4
4
45
5
5
56
6
6
67
7
7
78
8
8
89
9
9
9'
'
'
';
;
;
;[
[
[
[]
]
]
]-
-
-
-\
\
\
\/
/
/
/
)
)
)
)!
!
!
!@
@
@
@#
#
#
#$
$
$
$%
%
%
%^
^
^
^&
&
&
&*
*
*
*(
(
(
("
"
"
":
:
:
:{
{
{
{}
}
}
}_
_
_
_|
|
|
|?
?
?
?
