3-5-4 V
erify image performance
Is
th
e
im
ag
e
in
fo
cu
s?
R
e-
in
st
al
l o
r
re
pa
lc
e
th
e
le
ns
Is
th
e
im
ag
e
un
ifo
rm
ity
g
oo
d?
N
o
Fa
ul
t F
ou
nd
E
nd
U
se
a
s
of
t
cl
ot
h
to
c
le
an
the
lens.
(Be
co
ns
is
te
nt
w
ith
th
e
sa
m
e
in
st
ru
ct
io
ns
a
s
ab
ov
e
lin
e)
.
Is
th
e
br
ig
ht
ne
ss
o
f t
he
co
m
bi
ne
r i
n
sp
ec
?
R
ep
la
ce
th
e
co
m
bi
ne
r
m
od
ul
e
R
ep
la
ce
th
e
lig
ht
en
gi
ne
m
od
ul
e
N
o
Y
es
Y
es
N
o
Y
es
N
o
A
re
th
e
pr
oj
ec
to
r
le
ns
a
nd
s
cr
ee
n
cl
ea
n?
N
o
Y
es
1-
4
Is
th
e
le
ns
s
hi
ft
w
or
ki
ng
c
or
re
ct
ly
?
Is
th
e
ho
riz
on
ta
l l
en
s
sh
ift
w
or
ki
ng
co
rr
ec
tly
?
R
ep
la
ce
th
e
ho
riz
on
ta
l l
en
s
m
ot
or
.
Is
th
e
ve
rti
ca
l l
en
s
sh
ift
w
or
ki
ng
c
or
re
ct
ly
?
R
ep
la
ce
th
e
ve
rti
ca
l l
en
s
m
ot
or
.
R
ep
la
ce
th
e
lig
ht
en
gi
ne
Y
es
Y
es
R
ep
la
ce
th
e
lig
ht
e
ng
in
e
Y
es
Is
th
e
im
ag
e
un
ifo
rm
ity
g
oo
d?
N
o
Is
th
e
im
ag
e
un
ifo
rm
ity
g
oo
d?
N
o
Y
es
Y
es
Is
th
e
ho
riz
on
ta
l l
en
s
sh
ift
w
or
ki
ng
c
or
re
ct
ly
?
Is
th
e
ve
rti
ca
l l
en
s
sh
ift
w
or
ki
ng
c
or
re
ct
ly
?
N
o
N
o
N
o
Y
es
Y
es
Is
th
e
ho
riz
on
ta
l l
en
s
sh
ift
w
or
ki
ng
c
or
re
ct
ly
?
Is
th
e
ve
rti
ca
l l
en
s
sh
ift
w
or
ki
ng
c
or
re
ct
ly
?
R
ep
la
ce
th
e
m
ai
n
bo
ar
d
N
o
N
o
Y
es
M
ak
e
su
re
th
e
pr
oj
ec
tio
n
di
st
an
ce
is
in
sp
ec
a
nd
a
dj
us
t
th
e
fo
cu
s
B
ut
to
n
E
ns
ur
e
th
e
le
ns
is
in
st
al
le
d
co
rr
ec
tly
.
N
o
Is
th
e
im
ag
e
in
fo
cu
s?
C
om
pl
et
e
a
fo
cu
s
ad
ju
st
m
en
t
N
o
Y
es
N
o
U
se
a
s
of
t c
lo
th
to
cl
ea
n
th
e
le
ns
N
o
Y
es
N
o
EK-815U
3-8
