Lenovo
YOGA
BOOK
with
Windows®
Hardware
Maintenance
Manual
14
Some
models
of
Lenovo
computer
are
equipped
from
the
factory
with
an
optical
storage
device
such
as
a
CD
‐
ROM
drive
or
a
DVD
‐
ROM
drive.
Such
devices
are
also
sold
separately
as
options.
If
one
of
these
drives
is
installed,
it
is
certified
in
the
U.S.
to
conform
to
the
requirements
of
the
Department
of
Health
and
Human
Services
21
Code
of
Federal
Regulations
(DHHS
21
CFR)
Subchapter
J
for
Class
1
laser
products.
Elsewhere,
the
drive
is
certified
to
conform
to
the
requirements
of
the
International
Electrotechnical
Commission
(IEC)
825
and
CENELEC
EN
60
825
for
Class
1
laser
products.
If
a
CD
‐
ROM
drive,
a
DVD
‐
ROM
drive,
or
another
laser
device
is
installed,
note
the
following:
Opening
the
CD
‐
ROM
drive,
the
DVD
‐
ROM
drive,
or
any
other
optical
storage
device
could
result
in
exposure
to
hazardous
laser
radiation.
There
are
no
serviceable
parts
inside
those
drives.
Do not open
.
Laser compliance statement
CAUTION
Use
of
controls
or
adjustments
or
performance
of
procedures
other
than
those
specified
herein
might
result
in
hazardous
radiation
exposure.
O
uso
de
controles,
ajustes
ou
desempenho
de
procedimentos
diferentes
daqueles
aqui
especificados
pode
resultar
em
perigosa
exposição
à
radiação.
Pour
éviter
tout
risque
d’exposition
au
rayon
laser,
respectez
les
consignes
de
réglage
et
d’utilisation
des
commandes,
ainsi
que
les
procédures
décrites.
Werden
Steuer
‐
und
Einstellelemente
anders
als
hier
festgesetzt
verwendet,
kann
gefährliche
Laserstrahlung
auftreten.
L’utilizzo
di
controlli,
regolazioni
o
l’esecuzione
di
procedure
diverse
da
quelle
specificate
possono
provocare
l’esposizione
a.
El
uso
de
controles
o
ajustes
o
la
ejecución
de
procedimientos
distintos
de
los
aquí
especificados
puede
provocar
la
exposición
a
radiaciones
peligrosas.
