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b) Programming the Special Functions
The speed controller unit has many different programming options, e.g. a low-voltage protection function, a motor-
braking function, maximum braking power and much more.
The speed controller is pre-programmed with the most common settings.
Important!
If using a LiPo driving battery, you first need to programme the undervoltage protection. Only then can may
you drive the vehicle.
Otherwise, the LiPo battery may be subject to deep discharge, which will damage the battery.
We would like to explain the function of the programming using the following example of how to set the motor-brake
function.
The higher the values in the motor-brake function are set, the quicker the model car slows down when you
release the throttle/brake. A conventional electric motor already develops a relatively strong motor-braking
strength due to the magnets it contains – this is much weaker in brushless motors. The motor-braking
function thus corresponds to the motor brake in a "real" car, when you release the accelerator but do not
step on the brake pedal.
The basic (factory) setting, for example, is "10%". In the following example, this value is to be changed to
"40%"
For this purpose, proceed as follows:
• Switch on the transmitter, but leave the throttle/brake in
the neutral position. Put the trimming for driving into the
centre position.
• Switch off the speed controller. Then hold the setup
button (see arrow in the figure to the right) and switch
on the speed controller again (do not release the button,
keep it held down!).
• The red LED on the side of the speed controller unit
flashes. Continue to press and hold the setup button.
Don't release it!
• The red LED stops flashing and the green LED begins
to flash (continue to press and hold the setup button.
Don't release it!).
Depending on the flash signal given by the green LED, the speed controller unit is in a corresponding
settings menu. At the same time as the flash signal emitted by the green LED, the motor emits a
corresponding beep tone.
The beep tone is generated because the brushless motor is activated for a moment. Depending on the
motor, this beep may be very low or inaudible. In this case, observe the LED on the speed controller.
• Staying with the example of setting the motor brake function - release the set-up button at the exact time when the
green LED flashes twice briefly (2x).
Figure 9
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