4
Display and Keypad
N
O
I
T
C
N
U
F
N
O
I
T
A
N
G
I
S
E
D
.
O
N
n
o
i
t
c
n
u
f
y
r
o
m
e
m
s
e
t
a
v
i
t
c
A
n
o
t
t
u
B
y
r
o
m
e
M
.
1
d
e
t
a
v
i
t
c
a
s
i
n
o
i
t
c
n
u
f
y
r
o
m
e
m
n
e
h
w
N
O
r
o
t
a
c
i
d
n
I
y
r
o
m
e
M
.
2
e
d
o
m
p
u
t
e
s
g
n
il
a
c
s
k
c
i
u
Q
n
o
t
t
u
B
g
n
i
h
c
a
e
T
.
3
e
d
o
m
p
u
t
e
s
g
n
il
a
c
s
k
c
i
u
q
n
i
n
e
h
w
N
O
r
o
t
a
c
i
d
n
I
g
n
i
h
c
a
e
T
.
4
p
u
t
e
s
r
e
t
e
m
a
r
a
p
r
o
F
n
o
t
t
u
B
r
e
t
e
m
a
r
a
P
.
5
p
u
t
e
s
n
o
i
t
c
n
u
f
r
o
F
n
o
t
t
u
B
n
o
i
t
c
n
u
F
.
6
s
n
o
i
t
c
n
u
f
s
’
r
e
t
e
m
a
r
a
p
s
t
e
S
n
o
t
t
u
B
t
e
S
.
7
n
o
i
t
c
e
l
e
s
e
d
o
M
n
o
t
t
u
B
e
d
o
M
.
8
l
a
c
e
d
r
o
f
a
e
r
A
l
a
c
e
D
t
i
n
U
.
9
t
n
e
m
e
r
u
s
a
e
m
f
o
s
t
i
n
u
s
y
a
l
p
s
i
D
y
a
l
p
s
i
D
y
r
a
m
i
r
P
.
0
1
11.
Secondary Display B
Secondary display
s
n
o
i
t
c
e
r
r
o
c
r
o
f
e
c
a
p
s
k
c
a
B
n
o
t
t
u
B
e
c
a
p
s
k
c
a
B
.
2
1
13.
Negative Sign/Decimal Point Button
Negative sign setting/decimal point shift
s
n
o
i
t
c
n
u
f
s
u
o
i
r
a
v
r
o
F
n
o
t
t
u
B
c
i
r
e
m
u
N
.
4
1
15.
Secondary Display A
Secondary display
t
n
e
s
e
r
p
s
i
l
a
n
g
i
s
n
e
h
w
g
n
i
k
n
il
B
r
o
t
a
c
i
d
n
I
l
a
n
g
i
S
.
6
1
17.
Comparator Indicator
Indicates comparator condition
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