PTU
‐
D100
User
Manual
Version
3.1.0
Regulatory
Information
45
Regulatory
Information
Electromagnetic
Interference
(EMI)
is
any
signal
or
emission,
radiated
in
free
space
or
conducted
along
power
or
signal
leads
that
endangers
the
function
of
a
radio
navigation
or
other
safety
service
or
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.
Class
B
Class
B
equipment
has
been
tested
and
found
to
comply
with
the
limits
for
a
Class
B
digital
device,
pursuant
to
Part
15
of
the
FCC
Rules.
These
limits
are
designed
to
provide
reasonable
protection
against
harmful
interference
in
a
residential
installation.
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.
If
this
equipment
does
cause
harmful
interference
to
radio
or
television
reception,
which
can
be
determined
by
turning
the
equipment
off
and
on,
the
user
is
encouraged
to
try
to
correct
the
interference
by
one
or
more
of
the
following
measures:
•
Reorient
or
relocate
the
receiving
antenna.
•
Increase
the
separation
between
the
equipment
and
receiver.
•
Connect
the
equipment
into
an
outlet
on
a
circuit
different
from
that
to
which
the
receiver
is
connected.
•
Establish
good
grounding
to
the
base
connector.
•
Consult
the
dealer
or
an
experienced
radio/TV
technician
for
help.
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:
