43
w
w
w
w
w
w
.
.
f
f
o
o
s
s
c
c
a
a
m
m
.
.
c
c
o
o
m
m
S
S
h
h
e
e
n
n
z
z
h
h
e
e
n
n
F
F
o
o
s
s
c
c
a
a
m
m
I
I
n
n
t
t
e
e
l
l
l
l
i
i
g
g
e
e
n
n
t
t
T
T
e
e
c
c
h
h
n
n
o
o
l
l
o
o
g
g
y
y
C
C
o
o
.
.
,
,
L
L
i
i
m
m
i
i
t
t
e
e
d
d
T
T
e
e
l
l
:
:
8
8
6
6
7
7
5
5
5
5
2
2
6
6
7
7
4
4
5
5
6
6
6
6
8
8
F
F
a
a
x
x
:
:
8
8
6
6
7
7
5
5
5
5
2
2
6
6
7
7
4
4
5
5
1
1
6
6
8
8
43
Figure 3.39
Click
Back
button and return to the OSD page, click Save to take effect.
Back to the surveillance window, you can see the mask area as the following picture:
Figure 3.40
The mask area