Range Checking - Multiplex Cockpit SX Manual De Instrucciones

When operating the model:
• If you are a beginner at controlling models, please
ask an experienced model pilot for help initially. A
Trainer (buddy-box) system is very useful for the first
few flights
• Fly your model only at a suitable approved site.
• Don't fly or drive your model towards or above spec-
tators.
• Never carry out risky flight / driving manoeuvres.
• Know your skills and your limitations: please don't
over-estimate what you can do.
• If you detect any sign of problems or interference,
land your model or cease operations immediately.
• Caution: static charges!
In extremely dry air (in mountains, high slopes, close
to storm fronts) the transmitter and / or the pilot may
be statically charged. This energy may be discharged
in the form of a spark which could damage or inter-
fere with the transmitter, or even endanger the pilot.
Counter-measures:
Cease operations immediately and walk a little way
down the mountain to reach a less exposed position
• Keep your distance from mobile telephones!
As a general rule we recommend that all mobile
telephones and other devices which could affect
the pilot's concentration should be switched off.
SX is protected against electro-
The C
OCKPIT
magnetic fields, as generated by mobile telephones
etc. Our equipment significantly exceeds the legally
prescribed requirements regarding interference rejec-
tion. However, the rapid rate of development and the
enormous range of mobile radio devices presents a
residual risk which is very difficult to assess. For this
reason we recommend that you keep at least 2 m
away from any mobile telephones which are switched
on while you are operating your model.
ESD notes for electronic sub-assemblies
The sub-assembles of a radio control
transmitter (main circuit board, RF module,
Channel-Check, scanner) are fitted with
components which are electrostatically sen-
sitive. These parts can be ruined, or their useful life
shortened, if electrostatic charges are dissipated (po-
tential electrostatic discharge) by the user touching the
sub-assembly.
Be sure to observe the following protective measures
with electrostatically sensitive sub-assemblies:
• Before you remove or insert such sub-assemblies in
the base unit, dissipate any electrical charge in your
body by touching an earthed radiator or similar.
Open the base unit, and touch a large area of it in or-
der to dissipate any charge in the base unit.
• Don't take the sub-assembly out of its conductive
anti-static bag until you have dissipated any static
charges. Avoid touching electronic components or
solder joints directly. Hold the sub-assembly only by
the edges of the circuit board.
• If a sub-assembly has to be stored outside the base
unit, keep it in the anti-static bag in which it was sup-
plied. Never allow parts to make direct contact with a
container made of conventional (non anti-static) plas-
tic foam, styrofoam or other plastic.
Operating Instructions
3.2.

Range checking

Regular range checks are important, as they enable
you to ensure that the radio control system is working
properly, and to detect any changes in the system's
transmission characteristics. A range check is par-
ticularly important when:
• components in the model have not been used before,
have been changed, or have been re-positioned.
• components installed in the model have been in-
volved in a previous crash.
• any problems have arisen when operating the model.
Important:
• Always carry out a range check with a second person
who can hold and watch the model (cars: on the
ground, boats: on the water).
• Carry out the range check with the standard tele-
scopic aerial fitted, but collapsed completely.
Do not use a stub aerial for range checking.
• No other transmitter should be switched on during
the range check. Large metallic objects (wire fences,
cars, etc.) will also affect the test result.
This is the procedure:
1. Hold the transmitter with the aerial as close to ver-
tical as possible.
2. Model aircraft: set up or hold the model with the tip
of the receiver aerial about 1 m above the ground.
Land-based model or boat: place the model on the
ground or in the water.
Switch off any motors.
3. Switch the transmitter on, then the receiver.
Operate one control function (e.g. elevator) con-
stantly and at a regular rhythm. This enables you to
check whether the receiving system responds to
your commands with crisp, repeatable control sur-
face deflections.
4. Increase the distance between transmitter and
model.
You have reached the range limit when the servos
begin to jitter, move in an uncontrolled manner, or no
longer respond crisply and at a regular rhythm to your
control commands.
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