AIRTRONICS XL2P Посібник - Сторінка 9
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GENERAL OPERATING
INSTRUCTIONS
RANGE
Your
Airtronics
XL2P
RIC System has more than adequate range
to operate the average sized model
well
beyond the visual range
possible. However,
its
range can be somewhat reduced by radio
noise
generated within the model. A drive motor
with
dirty or worn
brushes,
or a metal
to
metal, make and break
linkage,
are
examples.
It is very
important
that
this
noise be detected and
eliminated if
it is
present.
To
do
so,
place your
model on a non-
metallic support, such as
a wooden
chair. Support the
rear
wheels off the surface if
it
is
a
car,
be
sure
the propeller
Is
clear
if
it
is
a
boat. With the XL2P system
turned
on,
transmitter
anten-
na
down, and without
the
drive motor operating, walk away from
the model, with the antenna aimed directly at
it.
Operate
the
steering
servo only; a
distance of from 30 to 60 feet will be ob-
tained.
At
some
point,
the servo will operate
erratically,
indicating
the end of
the
operating
range. Now,
operate the
motor,
be
it elec-
tric or
glow
plug,
and
again check
this
range.
Some decrease
is
normal,
and 10
-
150
Al
is
acceptable,
but
anything over
that
should be
corrected
before running the model.
Most
electric
motors generally have
some
noise
reduction
capacitors connected across the brushes.
If
yours does not,
check its or the model"s Instructions
for the
proper
type
and value.
Glow engine noise can be eliminated by
the
use of plastic con-
trol
clevises or bonding
wires
connected
to metallic
moving
parts.
With
the aid of an
assistant,
an antenna extended test, with the
model on the ground or water, should result in a greater usable
range than that
at which the model will normally be
operated.
Do
not attempt to
run the model without
it.
TRANSMITTER ANTENNA
The
transmitter antenna should always be fully extended
dur-
ing
operation of the
model.
The
antenna
is
shorter than
usuall~
found on R/C
transmitters,
for less physical interference
wit~
nearby drivers during competition
event.
s
.
It is extended by
pull·
ing it
out by the
tip, however,
when it is being
retracted
,
do so
from the
base,
a
couple
of sections at
a
time.
Pushing on the
tip
to collapse the antenna will sometimes cause
it
to bend or
kink, after which
it
will
not
operate easily and often break at the
damaged point.
MAINTENANCE
Your
Airtronics
R/C System requires very little maintenance under
normal operating
conditions.
It should be kept clean, and stored
in
a protected
area
when not
in use.
Keeping the transmitter in
a plastic bag
except
when actually using
it
is
recommended,
cleaning
should be
done with a slightly dampened
rag.
If
the
equipment
is
not
to be used
for any period of
time,
charge
the
Ni-Cds,
if used, before putting it
away.
If
it
is
alkaline powered,
remove
all cells
from the equipment and from the
holders.
After
each day
of operation,
you should
carefully
check
all
the
connections
and
mounting screws of your radio equipment.
No
matter how securely you
Installed
those items, they may even-
tually work
loose.
Periodic
Inspection
can eliminate
the possibility
of
model
damage.
Another good maintenance habit is
to
"
preflight"
your
equipment
religiously
before
each
day's
operation. This should include
a
range check as
previously
described,
a test of the
servos
for nor-
mal operating speed, and
general physical
condition of all
components
.