
T
O
S
8040
Part
Name
’
s
and
Functions
31
4
.2
R
ear
P
anel
Fig.
4-2
T
O
S
8040
Rear
Panel
[1]
BUZZE
R
k
no
b
A
djus
t
s
t
he v
o
lume
o
f
t
he buzze
r
t
h
at
indi
cat
es
a
F
AIL
or
PA
SS judgmen
t.
Tu
r
ning
t
he kn
o
b
c
l
oc
kwise m
a
kes
t
he buzze
r
l
o
ude
r.
The buzze
r
ca
nn
ot
be
t
u
r
ned
o
ff
.
[2]
T
E
ST
MODE
s
w
itches
Used
to
sele
ct
f
o
u
r
spe
c
i
a
l
t
es
t
m
o
des (D
O
U
BL
E
A
CT
ION,
PA
SS
HOL
D
,
M
O
ME
N
T
A
RY
,
a
nd F
AIL
M
O
DE)
.
F
or
m
or
e inf
or
m
at
i
o
n
,
[3]
S
I
GNAL
OU
T
terminal
Used
to
m
o
ni
tor
t
he
t
es
t
e
r
s
tat
us ex
t
e
r
n
a
lly
.
The
r
e
ar
e five s
tat
us
t
e
r
min
a
ls: RE
A
DY
,
H.
V
ON,
PA
SS
,
F
AIL,
a
nd
P
R
O
TEC
-
T
ION.
A
+
2
4 V
t
e
r
min
a
l is
a
ls
o
p
ro
vided
to
d
r
ive l
a
mps
or
ot
he
r
devi
c
es du
r
ing
sign
a
l
o
u
t
pu
t.
F
or
m
or
e inf
or
m
at
i
o
n
,
[4]
I
NT
E
RL
O
CK
terminal
A
n in
t
e
r
l
oc
k sign
a
l
t
e
r
min
a
l
.
O
pening
t
his in
t
e
r
l
oc
k sign
a
l
t
e
r
min
a
l
ca
uses
t
he
t
es
t
e
r
to
en
t
e
r
t
he
P
R
O
TEC
-
T
ION
s
tat
e (
P01
)
,
dis
a
bling
t
es
t
ing
.
F
or
m
or
e inf
or
m
at
i
o
n
,
[5]
AC
I
NP
U
T
A
n
A
C p
o
we
r
inpu
t
co
nne
ctor.
C
o
nne
ct
t
he p
ro
vided p
o
we
r
cor
d
to
t
his
co
nne
ctor.
F
or
m
or
e inf
or
m
at
i
o
n
,
S
E
TT
I
NG S
U
PPLY
STAN
D
AR
D
L
I
N
E
V
O
LTAG
E
FR
E
Q
UE
NCY
VA
M
AX
220
V
650
50
60
H
z
100
V
120
V
I
F TH
I
S C
O
L
UM
N
B
LANK
,
TH
E
U
N
I
T
I
S W
I
R
ED
I
N
220
V.
1
5
2
3
4