Graupner GmbH & Co. KG MC-20 Manual De Usuario

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Safety notices
In order to enjoy your modeling hobby for a long time, 
please read these instructions thoroughly and give 
particular attention to the safety notices. You should 
also register right away at https://www.graupner.de/
de/service/produktregistrierung.aspx
 since this is 
the only way for you to automatically receive current 
information about your product via email.
If you are a beginner with remote controlled model 
aircraft, ships or cars, you should really ask an 
experienced model pilot for assistance.
If this remote control system changes ownership, 
these instructions should surely be included with 
remote control system.
Intended usage
This remote control system may only be used for the 
purpose intended by the manufacturer, i.e. for the 
operation of unmanned remote controlled models.
Any other usage is not permissible.
Safety notices
SAFETY IS NO ACCIDENT
and
REMOTE CONTROLLED MODELS ARE NOT TOYS
… because even small models can cause substantial 
property damage and/or personal injuries if they are 
not handled properly - even if caused by third parties.
Technical defects of an electrical or mechanical 
nature can lead to unexpected startup of a motor and/
or parts being hurled through the air to pose a danger 
of injury to you and to others.
Short circuit conditions are to be avoided absolutely! 
A short circuit condition may not only destroy parts 
of the remote control system but, depending on 
the circumstances and the battery energy involved, 
may also pose acute danger of incineration or even 
explosion.
All motor-driven parts, such as aircraft or ship 
propellers, helicopter rotors, open gearboxes etc. 
represent a constant danger. Contact with these parts 
must be avoided. A rapidly turning aircraft propeller 
can, for example, sever a fi nger. Also pay attention 
that other objects do not come into contact with 
driven parts.
When a drive battery is connected or a motor is 
running: never get into the danger zone of driving 
mechanisms.
Be sure to pay attention that motors do not start 
up unintentionally while performing programming 
operations. Disconnect the fuel supply or battery 
terminals to motors before programming.
Protect all units from dust, dirt, moisture and other 
foreign parts. Never expose these units to vibrations 
or excessive hot or cold temperatures. Remote 
control operation may only be performed under 
"normal" outdoor temperatures, i.e. within a range of 
-15 °C to +55 °C.
Avoid mechanical jarring and pressure stresses. 
Always check units for damage to housings and 
cables. Do not use units which have been damaged 
or become wet, even after they are dry again. 
Only those components and accessories which 
we recommend may be used. Always use original 
Graupner plug and jack connectors which are made 
for one another out of the same materials. 
When routing cables, pay attention that they are 
not stressed, unduly kinked or broken. The sharp 
edges of adjacent parts also represent a hazard for 
insulated conductors.
Be sure that all plug and jack connections are fi rmly 
seated. Do not pull on the cable to disconnect a 
plugged connector.
No modifi cations whatsoever may be made to units. 
Modifi cations will void the operating permit and all 
insurance protection.
Installing the receiver
The receiver is to be installed with a cushion of foam 
rubber to afford protection against jarring; in aircraft 
models behind a strong rib, for a car or ship model 
the location must be protected against dust and 
spray water. 
The receiver may not be mounted in direct contact 
with the hull or chassis as this would allow motor 
vibrations and/or roadway jarring to be transferred 
directly to the receiver. When a receiver system is 
installed in a model with a combustion motor, all 
receiver parts should always be protected against the 
intrusion of exhaust gases and oil residue. Above all, 
this applies to the model's ON/OFF switch, which is 
typically built into the model's outer surface.
Position the receiver such that connecting cables to 
the servos and the power supply are routed with a 
bit of slack and that the receiver's antenna is at least 
5 cm away from any large metal parts or wiring except 
for other receiver wires/cables. In addition to steel, 
this also includes carbon fi ber parts, servos, electric 
motors, fuel pumps and all sorts of cables, etc. 
Optimally the receiver should be placed at a readily 
accessible location that is well away from all other 
equipment. Under no circumstances may a servo 
cable be wrapped around the antenna or routed close 
to it.
Make sure that cables near the antenna cannot move 
about during fl ight.
Routing the receiver's antenna
The receiver and its antennas must be positioned 
as far away as possible from drives of any kind. If 
the model's hull is made of carbon fi ber material, the 
ends of the antennas must extend outside of the hull.
The orientation of antennas is not critical. 
Nevertheless, a vertical (upright) installation of receiver 
antennas is advantageous. In the case of diversity 
antennas (two antennas), the second antenna should 
be oriented at a 90° angle to the fi rst antenna. 
  Safety notices
Be sure to pay attention!