Lenovo IdeaPad Z570 Lenovo Safety and General Information Guide V3.0 - Page 16

Electrical current safety information - configuration

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Safety and General Information Guide V1.0_en.book Page 10 Friday, March 4, 2011 4:55 PM Chapter 1. Important safety information When a CD or DVD drive is installed, note the following handling instructions. Use of controls, adjustments, or performance of procedures other than those specified herein might result in hazardous radiation exposure. Do not remove the drive covers. Removing the covers of the CD or DVD drive could result in exposure to hazardous laser radiation. There are no serviceable parts inside the CD or DVD drive. Some CD and DVD drives contain an embedded Class 3A or Class 3B laser diode. Note the following statement. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. „ Electrical current safety information Electric current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Do not use your computer during a lightning storm. • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. • Connect to properly wired outlets any equipment that will be attached to this product. • Whenever possible, use one hand only to connect or disconnect signal cables. • Never turn on any equipment when there is evidence of fire, water, or structural damage. • Disconnect the attached power cords, battery pack, and all the cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures. • Do not use your computer until you have closed the cover. Never use the computer when the cover is open. • Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices. 10

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10
Chapter 1. Important safety information
When a CD or DVD drive i
s
in
s
talled, note the followin
g
handlin
g
in
s
truction
s
.
Use of co
nt
rols, ad
ju
s
t
me
nt
s, or performa
n
ce of proced
u
res o
t
her
t
ha
n
t
hose
spec
i
f
i
ed here
in
m
ig
h
t
res
u
l
t
in
hazardo
u
s rad
i
a
ti
o
n
expos
u
re.
Do
n
o
t
remove
t
he dr
i
ve covers. Remov
ing
t
he covers of
t
he CD or DVD
dr
i
ve co
u
ld res
u
l
t
in
expos
u
re
t
o hazardo
u
s laser rad
i
a
ti
o
n
. There are
n
o
serv
i
ceable par
t
s
in
s
i
de
t
he CD or DVD dr
i
ve.
Some CD and DVD drive
s
contain an embedded Cla
ss
3A or Cla
ss
3B
la
s
er diode. Note the followin
g
s
tatement.
Do
n
o
t
s
t
are
int
o
t
he beam, do
n
o
t
v
i
ew d
i
rec
t
ly w
it
h op
ti
cal
in
s
t
r
u
me
nt
s,
a
n
d avo
i
d d
i
rec
t
expos
u
re
t
o
t
he beam.
Electrical current safety information
E
lec
t
r
i
c c
u
rre
nt
from power,
t
elepho
n
e, a
n
d comm
uni
ca
ti
o
n
cables
i
s
hazardo
u
s. To avo
i
d a shock hazard:
• Do
n
o
t
u
se yo
u
r comp
ut
er d
u
r
ing
a l
ig
h
tning
s
t
orm.
• Do
n
o
t
co
nn
ec
t
or d
i
sco
nn
ec
t
a
n
y cables or perform
in
s
t
alla
ti
o
n
,
ma
int
e
n
a
n
ce, or reco
n
f
igu
ra
ti
o
n
of
t
h
i
s prod
u
c
t
d
u
r
ing
a
n
elec
t
r
i
cal s
t
orm.
• Co
nn
ec
t
all power cords
t
o a properly w
i
red a
n
d
g
ro
un
ded elec
t
r
i
cal
o
ut
le
t
.
• Co
nn
ec
t
t
o properly w
i
red o
ut
le
t
s a
n
y eq
ui
pme
nt
t
ha
t
w
i
ll be a
tt
ached
t
o
t
h
i
s prod
u
c
t
.
• Whe
n
ever poss
i
ble,
u
se o
n
e ha
n
d o
n
ly
t
o co
nn
ec
t
or d
i
sco
nn
ec
t
s
ign
al
cables.
• Never
tu
r
n
o
n
a
n
y eq
ui
pme
nt
whe
n
t
here
i
s ev
i
de
n
ce of f
i
re, wa
t
er, or
s
t
r
u
c
tu
ral dama
g
e.
• D
i
sco
nn
ec
t
t
he a
tt
ached power cords, ba
tt
ery pack, a
n
d all
t
he cables
before yo
u
ope
n
t
he dev
i
ce covers,
un
less
in
s
t
r
u
c
t
ed o
t
herw
i
se
in
t
he
in
s
t
alla
ti
o
n
a
n
d co
n
f
igu
ra
ti
o
n
proced
u
res.
• Do
n
o
t
u
se yo
u
r comp
ut
er
unti
l yo
u
have closed
t
he cover. Never
u
se
t
he
comp
ut
er whe
n
t
he cover
i
s ope
n
.
• Co
nn
ec
t
a
n
d d
i
sco
nn
ec
t
cables as descr
i
bed
in
t
he follow
ing
proced
u
res
whe
n
in
s
t
all
ing
, mov
ing
, or ope
ning
covers o
n
t
h
i
s prod
u
c
t
or a
tt
ached
dev
i
ces.
Safety and General Information Guide V1.0_en.book
Page 10
Friday, March 4, 2011
4:55 PM