Lenovo IdeaPad Z570 Lenovo Safety and General Information Guide V3.0 - Page 17

Liquid crystal display LCD notice, Using headphones or earphones - 15 6

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Safety and General Information Guide V1.0_en.book Page 11 Friday, March 4, 2011 4:55 PM Chapter 1. Important safety information To connect: 1.Turn everything OFF. 2.First, attach all cables to devices. 3.Attach signal cables to connectors. 4.Attach power cords to outlets. 5.Turn devices ON. To disconnect: 1.Turn everything OFF. 2.First, remove power cords from outlets. 3.Remove signal cables from connectors. 4.Remove all cables from devices. The power cord must be disconnected from the wall outlet or receptacle before installing all other electrical cables connected to the Lenovo computer. The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer. „ Liquid crystal display (LCD) notice For products with mercury-containing fluorescent lamps: (non-LED LCD) The fluorescent lamp in the liquid crystal display contains mercury; dispose according to local, state, or federal laws. The LCD is made of glass, and rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any symptoms are present after washing, get medical care. „ Using headphones or earphones If your computer has both a headphone connector and an audio-out connector, always use the headphone connector for headphones (also called a headset) or earphones. Excessive sound pressure from earphones and headphones can cause hearing loss. Adjustment of the equalizer to maximum increases the earphones and headphones output voltage and therefore the sound pressure level. 11

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Chapter 1. Important safety information
11
To co
nn
ec
t
:
1.
T
u
r
n
every
t
h
ing
OFF.
2.
F
i
rs
t
, a
tt
ach all cables
t
o dev
i
ces.
3.
A
tt
ach s
ign
al cables
t
o co
nn
ec
t
ors.
4.
A
tt
ach power cords
t
o o
ut
le
t
s.
5.
T
u
r
n
dev
i
ces ON.
To d
i
sco
nn
ec
t
:
1.
T
u
r
n
every
t
h
ing
OFF.
2.
F
i
rs
t
, remove power cords from o
ut
le
t
s.
3.
Remove s
ign
al cables from co
nn
ec
t
ors.
4.
Remove all cables from dev
i
ces.
The power cord m
u
s
t
be d
i
sco
nn
ec
t
ed from
t
he wall o
ut
le
t
or recep
t
acle
before
in
s
t
all
ing
all o
t
her elec
t
r
i
cal cables co
nn
ec
t
ed
t
o
t
he Le
n
ovo comp
ut
er.
The power cord may be reco
nn
ec
t
ed
t
o
t
he wall o
ut
le
t
or recep
t
acle o
n
ly af
t
er
all o
t
her elec
t
r
i
cal cables have bee
n
co
nn
ec
t
ed
t
o
t
he comp
ut
er.
Liquid crystal display (LCD) notice
For prod
u
c
t
s w
it
h merc
u
ry-co
nt
a
ining
fl
u
oresce
nt
lamps: (
n
o
n
-L
E
D LCD)
The fl
u
oresce
nt
lamp
in
t
he l
i
q
ui
d crys
t
al d
i
splay co
nt
a
in
s merc
u
ry; d
i
spose
accord
ing
t
o local, s
t
a
t
e, or federal laws.
The LCD
i
s made of
g
lass, a
n
d ro
ug
h ha
n
dl
ing
or dropp
ing
t
he comp
ut
er ca
n
ca
u
se
t
he LCD
t
o break. If
t
he LCD breaks a
n
d
t
he
int
er
n
al fl
ui
d
g
e
t
s
int
o
yo
u
r eyes or o
n
yo
u
r ha
n
ds,
i
mmed
i
a
t
ely wash
t
he affec
t
ed areas w
it
h wa
t
er
for a
t
leas
t
15 m
inut
es;
i
f a
n
y symp
t
oms are prese
nt
af
t
er wash
ing
,
g
e
t
med
i
cal care.
Using headphones or earphones
If yo
u
r comp
ut
er has bo
t
h a headpho
n
e co
nn
ec
t
or a
n
d a
n
a
u
d
i
o-o
ut
co
nn
ec
t
or, always
u
se
t
he headpho
n
e co
nn
ec
t
or for headpho
n
es (also called
a headse
t
) or earpho
n
es.
E
xcess
i
ve so
un
d press
u
re from earpho
n
es a
n
d headpho
n
es ca
n
ca
u
se
hear
ing
loss. Ad
ju
s
t
me
nt
of
t
he eq
u
al
i
zer
t
o max
i
m
u
m
in
creases
t
he
earpho
n
es a
n
d headpho
n
es o
ut
p
ut
vol
t
a
g
e a
n
d
t
herefore
t
he so
un
d press
u
re
level.
Safety and General Information Guide V1.0_en.book
Page 11
Friday, March 4, 2011
4:55 PM