Lenovo 7749 Manuel D’Utilisation
v
Prevent
the
part
from
touching
your
clothing.
Most
clothing
is
insulative
and
retains
a
charge
even
when
you
are
wearing
a
wrist
strap.
v
Use
the
black
side
of
a
grounded
work
mat
to
provide
a
static-free
work
surface.
The
mat
is
especially
useful
when
handling
ESD-sensitive
devices.
v
Select
a
grounding
system,
such
as
those
listed
below,
to
provide
protection
that
meets
the
specific
service
requirement.
Note:
The
use
of
a
grounding
system
is
desirable
but
not
required
to
protect
against
ESD
damage.
–
Attach
the
ESD
ground
clip
to
any
frame
ground,
ground
braid,
or
green-wire
ground.
–
Use
an
ESD
common
ground
or
reference
point
when
working
on
a
double-insulated
or
battery-operated
system.
You
can
use
coax
or
connector-outside
shells
on
these
systems.
–
Use
the
round
ground-prong
of
the
ac
plug
on
ac-operated
computers.
Grounding
requirements
Electrical
grounding
of
the
computer
is
required
for
operator
safety
and
correct
system
function.
Proper
grounding
of
the
electrical
outlet
can
be
verified
by
a
certified
electrician.
Safety
notices
(multi-lingual
translations)
The
caution
and
danger
safety
notices
in
this
section
are
provided
in
the
following
languages:
v
English
v
Arabic
v
Brazilian
Portuguese
v
Simplified
Chinese
v
Traditional
Chinese
v
French
v
German
v
Hebrew
v
Italian
v
Korean
v
Spanish
DANGER
Electrical
current
from
power,
telephone
and
communication
cables
is
hazardous.
To
avoid
a
shock
hazard:
v
Do
not
connect
or
disconnect
any
cables
or
perform
installation,
maintenance,
or
reconfiguration
of
this
product
during
an
electrical
storm.
v
Connect
all
power
cords
to
a
properly
wired
and
grounded
electrical
outlet.
Chapter
2.
Safety
information
7