Foreword
Congratulations on your purchase of a Graupner/SJ speed controller. This purchase provides you with an innovative, top-class product.
These controllers are designed and manufactured for practical application. Their optimal performance in remote control boats is convin-
cing.
Please read this manual carefully before using your controller. Only then can you have full
protofthepotentialofyourcontroller,andavoidmistakes.
Please be sure to observe the following safety notices
The controller‘s CE certicate doesn‘t unbind users from their obligation to use ultimate caution
Should the motor refuse to start up, or after a crash, then you should immediately set the transmitter‘s control stick to the
OFF position to avoid any overload to the controller.
Use only motors delivered by GM-Racing or Graupner/SJ which are designed for the intended range of current and voltages!
Use only high performance batteries by Graupner/SJ or GM-Racing. Using batteries with an increased internal resistance
may lead to the destruction of the controller! Do never use a power supply.
Never leave your transmitter unattended when a battery is connected. In case of a deciency this may cause an outbreak of
re on the model or its environment.
Neither the controller nor any other electronic components should ever come in touch with water. Protect the controller
against vibrations, or other dangerous elements (with the exception of water-sealed controllers).
Never run the motor on a separate battery. This will destroy the controller or the motor, and leads to the loss of our warranty.
Never mix up polarities. Use plug systems which offer protection against wrong polarity. Avoid short-circuiting and blocking
the motors.
All cables and connectors should have good insulation. Short-circuits may lead to the destruction of your motor.
This product isn‘t designed for use by children under the age of 14, it isn‘t a toy!
Graupner-controllers are designed for use in battery-driven, radio-controlled models only; any other use is not permissible.
Using this device on a passenger-carrying model is forbidden!
Motors, gears or gearboxes, and propellers are dangerous objects. Never keep next to or in front of the danger area of the
drive!
Technical defects or failures of mechanical or electronic parts may lead to an unexpected start-up of the motor, with parts of it
ying off, maybe causing severe injuries.
- Always check the service range of transmission of your model rst thing while it‘s still on the ground (hold the model tight-
ly!). Try again with motor on and also with fast changes of the throttle stick.
Don‘t make any changes on the structure and design of your controller unless they are described in the manual!
Limited warranty: Graupner Ltd cannot survey the proper application of the mounting and using regulations, nor the working
methods and conditions during the installation, use, operation, and servicing of the controller. Therefore Graupner Ltd cannot
take on any liability for any loss, damage, or costs resulting from an incorrect use or operation of the product, or connected
in any
way with incorrect use or operation.
Only those components and accessory parts which have been recommended by us may be used. Use only genuine and
matching Graupner connectors and accessory parts.
Make sure whenever you start connecting and operating the controller, that: - your transmitter is the only one working on that
frequency, - is switched on, - and has the throttle set to position “STOP”.
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