26
Precautions
for
Safe
Testing
T
O
S
8040
3.
4
When
I
nterrupting
O
perations
I
f
t
he
t
es
t
e
r
will n
ot
be used f
or
c
e
rta
in pe
r
i
o
ds
or
if
t
he
o
pe
rator
is
to
le
a
ve
t
he
t
es
t
e
r,
t
u
r
n
t
he TEST V
OL
T
AG
E kn
o
b
a
ll
t
he w
a
y
co
un
t
e
rc
l
oc
kwise (
to
t
he M
IN
p
o
si
t
i
o
n)
,
t
hen
t
u
r
n
t
he
PO
WER swi
tc
h
o
ff
.
Fig.
3-9
When
I
nterrupting
O
perations
3.5
R
esponse to
E
mergencies
I
f ele
ctr
i
c
sh
oc
k
occ
u
r
s
or
t
he DUT is bu
r
ned due
to
a
bn
or
m
a
li
t
ies in
t
he
t
es
t
e
r,
DUT
,
or
ot
he
r
co
mp
o
nen
t
s
,
ta
ke
t
he f
o
ll
o
wing
t
w
o
s
t
eps
.
Bot
h mus
t
be pe
r
f
or
med
,
a
l
t
h
o
ugh ei
t
he
r
m
a
y be pe
r
f
or
med fi
r
s
t.
Fig.
3-10
Response
to
E
mergencies
M
AX
MI
N
T
E
ST V
O
LTAG
E
NC
0211
2-1
NC
02113
-1
N
C
02
11
4-1
N
C
02
115
-1
NC
021
16-
1
N
C
021
17
-1
N
C
02
11
8-
1
POWER
Wi
t
h
t
he
TEST
V
OL
T
AG
E
kn
o
b
t
u
r
ned
to
M
IN
Tu
r
n
t
he
PO
WER
swi
tc
h
o
ff
.
POWER
Tu
r
n
t
he
PO
WER
swi
tc
h
o
ff
.
Dis
co
nne
ct t
he
p
o
we
r
plug
f
ro
m
t
he
ele
ctr
i
ca
l
o
u
t
le
t.