though, you may experience
"ghosts"
on
TV,
or
"flut-
ter"
when
listening
to
FM broadcasts.
In
many cases,
multi
path
distortion
is
responsible
for
these
phenomena,
Both television and
FM
signals
are
broadcast
at
very
high frequencies - from
50
million cycles per second
up
to the microwave region. These signals are easily
reflected
by
buildings, hills, towers, aircraft, and even
other
vehicles. Consequently,
at
any location, a TV
or
FM
signal could be occurring
at
your antenna from
not
only
the
broadcast tower,
but
also via several dif-
ferent
reflected paths. In some cases, a reflected
sigOli!
could
be an advantage - you
may
bes/tuated
* Re-orient the receiving antenna. Sometimes
tur-
ning the antenna will pick up the stronger
of
either
the direct or reflected signal.
Try
turning or rotating
the antenna throughout its range.
You
may
find
your signal
in
a very unexpected direction,
• With
FM
stereo signals,
switch
the
unit
to
MONO,
if
possible. Some
of
the
phase and
noise
com-
ponents of a stereo signal
will
disappear in
MONO
mod&.
• Reduce. the
treble
setting
to
reduce
background
. noise.
Although
not
yielding
,the
best
high-
frequency performance,
at
l(last.YOll.ll)ay
be
able
to
reduce the
Irritationof'the:dlstortloit.
in
the
shadow
ofa
hili
or
mountain and
the
o'i1iv
iiignal '
you
can receive
is
a reflected one.
'.
GENERATOR
POWER
PLANT
· Television
andFM
signals are exceedinglycomplex.···
;;",Yollrmotor'homemay
beeqll/pped\~ith'a'gasoline-
WIlen mixed
with
reflections·of.'themselves, their com- . pow;jlred generator
which
will
prov/decolttplete
elec-
.'
plexlty
Increas"seven
mor&.PJ)asecanceliations and .
tr/ca,,~elf-conUi/nment
wheni"eg~18r,Pllbl!cittility
AC
• "'liea'Nreqiie!'icy'coil:iponents'add
up
to
cause
the
In- po....,er.!l! unavailable. Controls are
at
the
generator
ty
tl!:r.f'!,r:~.~.lil~,,!!~,lIi&91.I.~!~.~
.•..•
V\'IJ<~lJm.'.d!l.ldtipb,;~t
..
J:!h·
difstortihon.
This
"
an~;;at}i!!;~r:notEl
contr9
1
'panellocated Inside
the
motor
j
PEl'~Ii:u,.s~9rMi'f,s
.comPO
n e • y t e
actt
at
yourhome.;·;····
.'.
'.
vehicle'
Ittaybemoving,
causing an infinite series
of
direct
and reflected signals; The
faultis
normally
not
with
VQLir;rec~rOer,
although receivers
with
inadequate
multipath
oompensation
clrcultrYmay
compound the
· problem.
Neither
Is
ybur
antenna
.system
usually
at
.
fault
•.
The
Idea
that.antennas>whether'
amjJlified
or'
.
.lJrlamp!lfied,,;'.puIUo:r.asignal
I$'s.
iXi'pularm;sconcep,<
tion;
An'
antenna, does;
not
pulls
signal but
of
the
· air
by.virtue()f.·
its~,'power".
Tile.
antenna
only
resp,oi}ds
tosigns'ls·present
at
theantenria
.elements.
A
go.ocHaMennadesign.can·lmprove
the
rejection'of
muitipalhllig!l.a,lll,though.
. .
""':.,>-
,.. ,
.•
,,,
. Since distance.from the
broadcasttower
is critical
to reception 'clarity, remember
that
TV
and
FM
signals
have a range
of
only. about.
?l?
miles under the
best
of
atmospheric
and.
gt)ographicconditions. The good
reception
you
get
at
parks
located
at
great distances
from
broadcast facilities is probably the result
of
satellite,
microwave
'or
other oable
distribution
..
systems. The antenna
on
your)'lYjs
no competition
for these very expensive installations. The
very
best
RV.antenna
systems
compromise performance and
efficiency,
for
light
weight
and compactness. The
amplifiers used in these systems
attempt
to overcome
these
compromises
by
presenting a reasonably good
signal
to
the
TV
or
FM radio terminals. But these
antennas .have a usable range
of
only
about
50
miles
under
the
bes~of
cQndjtions
..
Beyond
that
distance,
or
in ma'rginal conditions, antenna performance
falls'
off
rapidly. In
that
case,
the
amplifier'only
amplifies
the noise,
or
"snow"
being picked up
by
the anten-
na
elements.
Minimizing
Multipath
Distortion
and
Improving
Signal
Quality
"
There is obviously very little
that
you can do about
geography
while
you travel - except enjoy it. But
if
multi
path
distortion
becomes a nuisance,
try
these
tips:
30
The.
120-volt
output
of
the generator is
connected
directly to the converter.
With
the
generator
power
plant operating, power is available
at
all
of
the 120-volt
power
outlets
in
the
motor
home. Gasoline
for
the
generator.
is.
taken from the main fuel tank
through
aspecialf~edeqube
wt)ich is higilerolnthe'tank
than
the feeder tube
to
the
motor
home. This arrangement
prevents the generator
from
running
the
motor
home
fuel tank dry. .
'NOTE: Refer
to
your Generator Power
Plant
'Manufacturer's Instruction Manual (provided In
YourOwn(lr's
. Information Package).
for
service
Information' before starting thegeneratbr.
1;>0
not
start
unit
with
a heavy
power
load.
To
start the generator, hold the
switch
in
the
START
position
untiJ<the
unit
starts, then release the
switch.
If
the
unit
Is
slow
to
start, DO NOT hold the
switch
in
the
START
position
for
more
than
10 seconds.
Release. the.
switch,·
wait
16 seconds, then repeat.
This
will
.help··avold overheating and' damaging
the
generator starting system.
If
this system fails
to
start
the generator, manual stal'!ing.
instructions
are
discussed
hi the generator power plant manufacturer's
instructions.
To
stop the unit, hold
switch
to
the
STOP
position until the engine stops.
Be
sure
to
hold
it
un-
til the engine Iltops.
If
you release
the
switch
too
soon,
the
engine will conlinue to run.
Generator
Operating
Safety
Precautions
•
Read
and understand the generator operating,
maintenance and safety instructions furnished in
your
Owner's Information Package.
•
Do not smoke or use
an
open flame near
the
generator unit or fuel tank.
WARNING:
DO
NOT BLOCK THE GENERATOR
VENTILATING AIR INLETS
OR
OUTLETS. THE
AIR-COOLED
ENGINE
REQUIRES
A CONSTANT