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68
NOTE!
You
can
set
this
parameter
only
when
WDR
is
turned
off.
Only
some
camera
models
support
optical
defog.
When
Defog
is
set
to
On
,
defog
intensity
level
6
‐
9
represent
optical
defog,
and
images
change
from
color
to
black/white
when
defog
intensity
is
set
from
level
5
to
6;if
Defog
is
set
to
Auto
and
defog
intensity
level
is
somewhere
between
6
‐
9,
images
do
not
automatically
change
to
black/white
in
light
fog
conditions;
the
camera
automatically
switches
to
optical
defog
only
in
heavy
fog
conditions.
(2)
Enable
the
defog
function
and
then
select
a
level
for
the
scene.
Level
9
achieves
the
maximum
defog
effects,
and
level
1
achieves
the
minimum.
(3)
To
restore
the
default
settings,
click
Default
.
2.
OSD
On
Screen
Display
(OSD)
is
the
text
displayed
on
the
screen
with
video
images
and
may
include
time
and
other
customized
contents.
(1)
Click
Setup
>
Image
>
OSD
.
(2)
Select
the
position
and
content
of
the
OSD.
Position:
Click
the
box
of
an
area
on
the
preview
screen.
After
the
cursor
changes
to
a
movable
status
icon,
hold
down
and
drag
the
mouse
to
select
the
position.
Overlay
OSD
Content:
The
drop
‐
down
list
provides
Time
,
Preset
and
Serial
Info
.
You
may
also
select
Custom
and
enter
the
content
you
want.
After
you
have
set
the
position
and
OSD
content,
the
symbol
appears
in
the
Status
column,
which
means
that
the
OSD
is
set
successfully.
You
may
set
multiple
lines
of
contents
for
each
area
and
use
and
to
adjust
the
sequence
of
display.
(3)
After
you
have
completed
the
settings,
a
message
appears
to
indicate
the
successful
settings.
To
cancel
OSD
for
an
area,
clear
the
OSD
content
in
the
Overlay
OSD
Content
column
or
select
None
in
the
Position
column.
The
following
shows
an
example
time
OSD.