6
ventilation.
3.
Do
not
place
any
kind
of
naked
flame
sources
(e.g.
lit
candles)
on
top
of
the
unit.
4.
Please
do
not
put
the
unit
in
an
enclosed
place.
Do
not
put
something
on
the
unit
to
avoid
temperature
rising
inside.
5.
Make
sure
the
unit
is
well
ventilated.
The
ventilation
should
not
be
impeded
by
covering
the
openings
with
objects
such
as
newspapers,
tablecloths,
curtains,
etc.
6.
Do
not
expose
the
unit
to
direct
sunlight,
and
do
not
place
it
near
heat
source
equipment.
7.
Do
not
place
any
container
filled
with
water.
If
any
liquid
falls
inside,
unplug
the
power
cord
and
contact
a
technician.
MAINTENANCE
OF
THE
UNIT
1.
Unplug
the
power
cord
before
cleaning
the
unit.
2.
Use
a
piece
of
wet
cloth
for
cleaning.
Do
not
use
strong
detergents
to
avoid
damaging
the
unit.
3.
Liquid
detergents
should
not
penetrate
into
the
unit
to
avoid
electric
shock.
This
kind
of
liquid
will
also
damage
the
surface
of
the
unit.
4.
If
dust
builds
up
on
the
lens,
the
disc
playing
may
be
impaired
and
at
times
impossible.
5.
Under
the
following
circumstances,
condensed
dew
may
build
up
on
the
lens:
a)
When
a
heat
source
is
just
turned
on
nearby.
b)
In
a
very
damp
place.
c)
When
the
unit
is
moved
from
a
colder
place
to
a
hotter
one.
OPERATION
AND
MAINTENANCE
OF
CD
DISCS
When
handling
CD
disks,
hold
them
by
the
edges,
as
shown
below;
avoid
touching
the
engraved
face
of
the
disc.
Do
not
stick
any
label
on
any
side
of
the
disc,
and
do
not
scratch
the
faces
of
the
disc.