Lenovo Desktop PC Manuel D’Utilisation
Some
CD
and
DVD
drives
contain
an
embedded
Class
3A
or
Class
3B
laser
diode.
Note
the
following
statement.
Danger
Laser
radiation
when
open.
Do
not
stare
into
the
beam,
do
not
view
directly
with
optical
instruments,
and
avoid
direct
exposure
to
the
beam.
Power
supply
statement
Never
remove
the
cover
on
a
power
supply
or
any
part
that
has
the
following
label
attached.
Hazardous
voltage,
current,
and
energy
levels
are
present
inside
any
component
that
has
this
label
attached.
There
are
no
serviceable
parts
inside
these
components.
If
you
suspect
a
problem
with
one
of
these
parts,
contact
a
service
technician.
Products
with
television
tuner
options
installed
The
notice
below
applies
to
products
containing
television
(TV)
tuner
devices
that
connect
to
external
antennas
or
to
cable/CATV
systems,
or
both,
and
that
are
intended
to
be
installed
in
North
America.
Users
and
installers
in
other
countries
should
follow
local
codes
and
ordinances
when
installing
appliances
that
connect
to
external
antennas
and
cable/CATV
systems.
If
local
codes
are
not
applicable,
it
is
recommended
that
users/installers
follow
guidelines
similar
to
those
that
follow.
Note
to
CATV
system
installer
This
reminder
is
provided
to
call
the
CATV
system
installer's
attention
to
Article
820-40
of
the
National
Electrical
Code
(NEC)
that
provides
guidelines
for
proper
grounding
and,
in
particular,
specifies
that
the
cable
ground
shall
be
connected
to
the
grounding
system
of
the
building,
as
close
as
possible
to
the
point
of
cable
entry
as
practical.
Chapter
1.
Important
safety
information
11