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ACTIvE vEhIClE CONTROl (AvC)
If AVC™ technology is active, only two channels, Steering and
Throttle, are operational. The Aux channels can be used to power
a personal transponder or lights.
If AVC technology is disabled (see Disabling the Stability Assist
Function to disable AVC), the Aux channels will operate as servo
channels. Aux channels are not available for use in mixes when
AVC is active.
List Menu
ABS (AUTOMATIC BRAkING SySTEM OR PUlSE BRAkES)
ABS helps prevent brake lock-ups and improves braking performance by pulsing the brakes.
14
AVC Screen
Priority adjusts ST Gain
based on the steering input.
TH Gain when active
drives the Aux 2
ST Gain when active
drives the Aux 1
You can adjust the following ABS parameters:
State: Inhibit or Active
Point: The throttle position that the pulse braking takes place (0 to 100, default is 60).
Stroke: The distance the throttle travels during the pulse braking (0 to 100, default is 50).
Lag: The time delay before the pulsing takes place (0.0 to 2.0 in .01 increments, default is 0.5).
Speed: The pulsing speed or frequency of the pulse braking (-1 to -30, default is -1).
The bar at the bottom of the screen displays the parameters and shows how ABS will function.
To activate ABS:
1. Select ABS from the List screen.
2. Select the ABS parameter you want to adjust.
3. Scroll up or down to adjust the parameter.
4. Press the scroll wheel to save the settings.
OPTIONS
• ST Gain
• TH Gain
• Priority
1. Select AVC from the LIST menu.
2. Change the State field to ACT .
3. Adjust the ST Gain and/or Th Gain Sensitivity
The default value is 0% (ST Gain and TH Gain OFF).
As the value increases, the AVC steering stability and
throttle management increases.
Adjust the ST Gain until you reach the ideal amount of
steering control. If the front wheels begin to shake, the ST
Gain value is too high. Reduce the ST Gain value until the
front wheels stop shaking. You can assign ST Gain and TH
Gain to the same switch, enabling you to adjust both values
at the same time.
4. Switch: Assigning ST Gain and TH Gain to a switch enables
you to adjust the sensitivity without using the AVC menu.
ST GAIN and TH GAIN can be assigned to the same switch
to adjust both simultaneously.
5. Adjust the Steering Priority
The Priority default value is 0%, meaning AVC technology is
active when the steering is close to center. As you turn the
steering wheel away from center (neutral), the transmitter
controls have priority over the AVC system. Increasing the
Priority value decreases how active AVC is as the steering
wheel is turned left and right. For example, if you increase
Priority to 80%, you reduce the AVC steering control by 80%
at full left or full right steering. Increasing the Steering Priority
enables you to make tighter turns.
Spektrum DX4r prO • tranSmitter inStructiOn manual
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