Adisco
0
1
2
3
4
A
D
I
S
C
O
A
R
E
A
M
E
A
S
U
R
E
R
(
A
r
e
a
M
e
t
e
r
)
SQUARE
INCHES
Rotate dial and arm
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
Rotate arm
zero
animate
reset