Operating
Instructions
System
EMI
Susceptibility
PACCAR
products
are
designed
and
tested
for
minimum
sensitivity
to
incoming
electromagnetic
energy.
The
fuel
system
EMI
susceptibility
has
been
designed
with
a
high
tolerance
against
EMI
and
in
most
normal
circumstances,
if
not
all,
electromagnetic
energy-emitting
devices
that
meet
the
Federal
Communications
Commission
legal
requirements
should
cause
no
interference.
System
EMI
Radiation
Levels
Electronic
components
are
required
to
pass
various
PACCAR
and
industry
EMI
specifications.
Our
testing
has
shown
that
when
the
engine
is
properly
installed
and
maintained,
it
will
not
interfere
with
properly
installed
onboard
communication
equipment.
If
any
interference
condition
is
noticed,
follow
these
suggestions
to
reduce
the
amount
of
EMI:
1.
Locate
the
accessory
receiving
antenna
further
away.
2.
Check
with
the
accessory
supplier
representative
in
your
area
to:
°
Accurately
calibrate
the
accessory
for
proper
frequency,
power
output,
and
sensitivity.
°
Determine
the
optimum
antenna
location
by
obtaining
antenna
reflective
energy
data
measurements.
°
Ensure
that
the
optimum
antenna
type
and
mounting
arrangement
is
being
used.
°
Ensure
the
accessory
equipment
is
properly
constructed
for
maximum
filtering
to
reject
incoming
electromagnetic
noise.
4
4-7
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