
28
Part
Name
’
s
and
Functions
T
O
S
8040
Chapter
4
P
art
N
ame’s and Functions
G
ives
t
he n
a
mes
o
f swi
tc
hes
,
t
e
r
min
a
ls
,
a
nd
ot
he
r
co
n
tro
ls
o
f
t
he T
O
S
80
4
0.
4
.1
Front
P
anel
Fig.
4-1
T
O
S
8040
Front
Panel
[1]
P
O
W
E
R
s
w
itch
Tu
r
ns
t
he
t
es
t
e
r
p
o
we
r
o
n/
o
ff
.
Dep
r
essing
t
he swi
tc
h
t
u
r
ns p
o
we
r
o
n (
| )
.
B
ef
or
e
t
u
r
ning
t
he
PO
WER swi
tc
h
o
n
,
[2]
ST
O
P
s
w
itch
This swi
tc
h in
t
e
rr
up
t
s
t
he
t
es
t
in p
ro
g
r
ess
.
Pr
essing
t
his swi
tc
h
tra
nsi
t
i
o
ns
t
he
t
es
t
e
r
f
ro
m
PA
SS
,
F
AIL,
or
P
R
O
TECT
ION
to
t
he RE
A
DY s
tat
e
.
Tes
t
e
r
s
tat
es
ar
.
[3]
START
s
w
itch
Pr
ess
t
his swi
tc
h when
t
he
t
es
t
e
r
is in
t
he RE
A
DY s
tat
e
to
pe
r
f
or
m
t
es
t
ing unde
r
t
he
c
u
rr
en
t
t
es
t
co
ndi
t
i
o
ns
.
This swi
tc
h is dis
a
bled f
or
r
em
ot
e
co
n
tro
l
o
pe
rat
i
o
ns
.
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