57
E.
–
Regulatory
Information
Electromagnetic
Interference
(EMI)
is
any
signal
or
emission,
either
radiated
in
free
space
or
conducted
along
power
or
signal
leads,
that
endangers
the
function
of
a
radio
navigation
or
other
safety
service
or
that
seriously
degrades,
obstructs,
or
repeatedly
interrupts
a
licensed
radio
communications
service.
Class
A
Class
A
equipment
has
been
tested
and
found
to
comply
with
the
limits
for
a
Class
A
digital
device,
pursuant
to
Part
15
of
the
FCC
Rules.
These
limits
are
designed
to
provide
reasonable
protection
against
harmful
interference
in
a
commercial
environment.
This
equipment
generates,
uses,
and
can
radiate
radio
frequency
energy
and,
if
not
installed
and
used
in
accordance
with
the
instructions,
may
cause
harmful
interference
to
radio
communications.
However,
there
is
no
guarantee
that
interference
will
not
occur
in
a
particular
installation.
Operation
of
this
equipment
in
a
residential
area
is
likely
to
cause
harmful
interference,
in
which
case
the
user
will
be
required
to
correct
the
interference
at
his/her
own
expense.
Caution:
Changes
or
modifications
of
this
equipment
not
expressly
approved
by
manufacturer
could
result
in
violation
of
Part
15
of
the
Federal
Communication
Commission’s
rules.
The
FCC
has
prepared
the
following
booklet:
“How
to
Identify
and
Resolve
Radio
‐
TV
Interference
Problems.”
It
is
available
from
the
US
Government
Printing
Office,
Washington
DC,
20402.
Stock
Number
004
‐
00
‐
00345
‐
4.
FCC
Notice
According
to
47CFR,
Parts
2
and
15,
Subpart
B
Class
A:
This
device
complies
with
FCC
Part
15,
Subpart
B
Class
A
of
the
FCC
Rules.
Operation
is
subject
to
the
following
two
conditions:
(1)
This
device
may
not
cause
harmful
interference,
(2)
This
device
must
accept
any
interference
received
including
interference
that
may
cause
undesired
operations.
CE
Notice
This
is
a
Class
A
product.
In
a
domestic
environment,
this
product
may
cause
radio
interference,
in
which
case
the
user
may
be
required
to
take
adequate
measures.
Summary of Contents for PTU-D300
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