DX5 Pro 2021 Manual
14
SPEKTRUM DX5 PRO • TRANSMITTER INSTRUCTION MANUAL
EN
FUNCTION LIST
AVC Tuning (AVC Receiver not included)
A value from 0 to 100 is used for three settings that affect
tuning; steering gain, throttle gain, and priority. These values
congure the receiver to your vehicle so you can tune it for
optimal performance based on your driving style. It is normal for
gain and priority tuning results to vary.
What Is Gain?
A gain value of 0 will result in zero electronic corrections, and a gain
of 100 will result in large corrections in an effort to hold a straight
line.
• Steering gain tells the receiver how strongly to assist steering
when the vehicle begins to spin out of control.
• Throttle gain tells the receiver how much it can assist on the
throttle when the vehicle begins to spin out of control.
Default gain values are 50. We recommend adjusting gain values
5 points at a time. Fine tune the settings with smaller increments
as desired performance is acheived. Avoid large increases to
steering gain values between tests.
What is priority?
Priority tells the receiver how much you want to be able to
override the electronic stability with your steering commands. A
low priority means AVC will make steering corrections when you
turn wheel all the way. A high priority will reduce AVC the more
you turn the wheel.
The default priority value is 100. This means when you turn the
steering wheel to the limit, the gain is reduced to zero. This value
will work well for a majority of drivers
What is heading Hold?
Heading hold maintains the selected vehicle direction. It is
normal to see the wheels steer in the same direction it was last
pointed. If a vehicle with AVC technology is lifted off the ground
and turned from side to side, the wheels will steer in an effort to
get back to the original heading. When driving, heading hold only
works when the steering wheel is left straight. The moment you
begin to turn the wheel, heading hold turns off. When the wheel
is re-centered, heading hold is turned back on.
AVC Tuning Procedure
1. With the transmitter and receiver already bound and
properly calibrated, turn on the transmitter and vehicle.
2. Apply throttle, do not turn the steering wheel, and observe
how well the vehicle can maintain a straight line at high
speed.
• If the vehicle does not make enough steering corrections to
maintain a straight line, increase the steering gain.
If the vehicle shtails due to wheel-spin, increase the throttle
gain.
• If the vehicle wobbles (oscillates), reduce the steering gain.
• The maximum gain values that prevent oscillations at high speed
should not be exceeded.
3. Drive the vehicle through accelerated turns and observe
how it responds.
• If the vehicle slows down going into a turn, reduce the
throttle gain.
• To allow the vehicle to slide more with intentional wheel-
spin, reduce the throttle gain.
• To improve traction in slick conditions, increase throttle
gain.
• If the vehicle won’t turn-in, increase the priority.
• If the vehicle spins out, there are two tuning options to
consider;
1. Increasing throttle gain will help correct for
undesirable wheel-spin when the vehicle over-rotates.
2. Reducing priority will give the receiver more authority
to help correct oversteer.
General Tuning Tips
For beginner drivers, looser conditions, and vehicles with
excessive power, more gain will be helpful.
For terrain with more grip and increased speeds, tuning will
result in lower steering gain values.
IMPORTANT: If the steering or throttle trim is adjusted on the transmitter,
turn the reciever off and on again in order to save the new trim settings.
Otherwise, AVC will not function properly.
Changing Battery Voltage
If the voltage is increased, the maximum steering gain setting
will have to be reduced.
At the same time, when incereasing voltage, increased throttle
gain will help manage the extra power.
For example: If a truck set up for 2S is upgraded to 3S, the truck
may oscillate at high speeds on 3S, requiring steering gain to
be reduced. Throttle gain will have a bigger effect on 3S, so
increasing throttle gain may be benecial.