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ADJUSTING THE ELECTRONIC SPEED CONTROL
Electronic Speed Control Adjustments
The VXL-8s electronic speed control's default settings were programmed
VXL-8s Specifications
at the factory and should not require adjustment for normal operation.
The following information is helpful to confirm the settings or allow you to
Input voltage:
4S/6S/8S LiPo
customize the settings for your needs.
(max. 33.6 volts)
ATTENTION: USING LiPo BATTERIES
Supported Motors:
The VXL-8s electronic speed control is designed to operate on 4S, 6S,
Sensorless Brushless
or 8S LiPo battery power. When you turn your model on, the speed control's
Battery connector:
status LED is green, indicating that Low Voltage Detection is activated to
Traxxas High-Current
prevent over-discharging of LiPo batteries. LiPo batteries are intended only
Connector
for the most advanced users that are educated on the risks associated with
Motor connectors:
LiPo battery use.
TRX 6.5mm bullet
connectors
DO NOT use NiMH batteries with the
Motor/battery wiring:
VXL-8s electronic speed control. The
10-gauge Maxx® Cable
batteries will become extremely hot
Weight:
and damage or injury could occur.
182g (6.42 oz.)
Case size:
Selecting a Throttle Mode: SPORT, RACE, or TRAINING
58mm (2.28")/ 72mm
1. Connect two fully charged LiPo batteries to the VXL-8s and turn on your
(2.83")/ 46mm (1.81")
transmitter.
2. Press and hold the EZ-Set button until the LED turns solid green, then
solid red and then begins blinking red. It will blink once, then twice, then
three times, then repeat.
One blink = Sport Mode is the default setting. It allows full forward and
reverse throttle.
Two blinks = Race Mode removes reverse throttle in case your track does
not allow it.
Three blinks = Training Mode will slow the model down by 50% to make
it easier for new drivers to control the model.
3. Release the EZ-Set button after the number of blinks for the mode you
wish to select. Note: If you missed the mode you wanted, keep the EZ-Set
button pressed down and the blink cycle will repeat.
4. The LED will blink and then turn solid green. The model is ready to drive in
the mode you have selected.
18 • XRT ULTIMATE
VXL-8s Setup Programming (calibrating the speed control and transmitter)
The speed control is calibrated at the factory. If the LED on the speed control
is flashing green, then follow these steps to recalibrate it (set the throttle to
the neutral position).
1. Connect two fully charged LiPo batteries to the VXL-8s.
2. Turn on the transmitter (with the throttle at neutral).
3. Press and hold the EZ-Set button (A). The LED will first turn
green and then red. Release the EZ-Set button.
4. When the LED blinks RED ONCE, pull the throttle
trigger to the full throttle position and hold it there
(B).
5. When the LED blinks RED TWICE, push the throttle
trigger to the full reverse and hold it there (C).
6. When the LED blinks GREEN ONCE, programming
is complete. The LED will then shine green.
VXL-8s Profile Selection
The speed control is factory set to Profile #1 (100% forward, brakes, and
reverse). To disable reverse (Profile #2) or to allow 50% forward and 50% reverse
(Profile #3), follow the steps below. The speed control should be connected to
the receiver and battery, and the transmitter should be adjusted as described
previously. The profiles are selected by entering the programming mode.
Profile Description
Profile #1 (Sport Mode): 100% Forward, 100% Brakes, 100% Reverse
Profile #2 (Race Mode): 100% Forward, 100% Brakes, No Reverse
Profile #3 (Training Mode): 50% Forward, 100% Brakes, 50% Reverse
Selecting Sport Mode
(Profile #1: 100% Forward, 100% Brakes, 100% Reverse)
1. Connect two fully charged battery packs to
the VXL-8s and turn on your transmitter.
2. Press and hold the EZ-Set button until the LED
turns solid green, then solid red and then begins
blinking red (indicating the Profile numbers).
3. When the LED blinks red once, release
the EZ-Set button.
4. The LED will blink and then turn solid green.
The model is ready to drive.
A
Green then Red
B
Once Red
C
Twice Red
A
B
Green to Red to Off
One blink Red
C
D
Release
Solid
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