Owner's Manual
10
Check
the
following
guide
for
the
possible
cause
of
a
problem
before
contacting
service.
?
The
picture
is
poor
Does
the
Dome
Cover
have
lots
of
dust
on
the
surface?
Use
a
dry
cloth
to
clean
the
camera
when
it
is
dirty.
Smear
may
be
caused
to
the
screen
of
night
than
daytime.
Adjust
the
Focus
by
moving
the
Focus
Lens.
?
Contrast
of
the
screen
is
not
clear.
Check
the
condition
of
the
monitor.
Alight
source
such
as
a
spot
light
causes
burn-in
on
the
display
screen.
Adjust
position
or
angle
of
the
camera
to
eliminate
strong
background
light.