Specifications

A
shlelded coble
uses
o metollic
wop
oround
the wires
to
reduce
the
potentiol
effecls
of rodio-frequency
interference,
Rodio
ond
lelevision
interference
The
equipment
described
in
this
manual
generates
and uses
radio-
frequenry
energy.
If it is not
installed
and
used
properly--+hat
is,
in strict
accordance
with
our
instructions-it
may cause
interference
with radio
and
television reception.
This
equipment has
been
tested
and complies
with the limits
for
a Class
B
computing
device in accordance
with the specifications
in Subpart
J,
Part
L5, of
FCC rules.
These rules
are
designed
to
provide reasonable
protection
against
zuch interference
in a residential
installation.
However,
there
is no
guarantee that
the
interference
will
not occur
in
a patticulat
installation,
especially
if a
"rabbit-ear"
television
antenna
is used.
(A
rabbit-ear
antenna
is the telescoping-rod
type
usually
found
on television
receivers.)
You can
determine
whether
your
computer
is causing
interference
by
tuming
it off. If
the interference
stoPs,
it was
probably
caused
by
the
computer
or its
peripheral
devices.
To further
isolate
the
problem,
disconnect
the peripheral
devices
and
their
input/output
(I/O)
cables
one
at a time.
If the interference
stoPs,
it was caused
by
either
the
peripheral
device
or the
VO
cable. These
devices usually
require shielded
I,/O
cables.
For
Apple
peripherd devices,
you can
obtain the
ProPer
shlelded
cable
from
your authorized Apple
dealer. For
non-Apple
peripheral
devices,
contact
the manufacturer
or
dealer
for assistance.
If
your computer
does
cause
interference
to radio
or television
reception,
you can
try to correct
the interference
by using
one or more
of
the
following
measures:
r Tum
the television
or radio
antenna
until
the
interference
stops'
r Move
the computer
to one
side
or the other
of
the television
or radio.
r Move
the computer
farther
away
from the
television
or
radio.
r Plug
the computer
into
an outlet
that
is on a
different
circuit
than
the
television
or radio.
Cfhat
is, make
certain
the
comPuter
and
the radio
or
television
set
are on
circuits
controlled
by
different
circuit
breakers
or
fuses.)
r Consider
installing
a rooftop
television
antenna
with a coaxial
cable
lead-in between the
antenna
and
television.
If
necessary,
consult
your
authorized
Apple
dealer
or an
experienced
radio,/television
technician
for
additional
suggestions.
lmporlonl
This
product
wos FCC-certilied
under test
conditions
thot
included
use of
shielded
cobles
ond connectors
between
system
components.
lt is
importont
thot
you
use shielded
cobles
ond connectors
to reduce
the
possibility
of cousing
interference
to rodio.
television,
ond
other
electronic
devices.
VI