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STAMPEDE 4x4 VXL • 17

ADJUSTING THE ELECTRONIC SPEED CONTROL

Patent-Pending Training 
Mode (Profile #3) reduces 
forward and reverse throttle 
by 50%. Training Mode 
is provided to reduce the 
power output allowing 
beginning drivers to better 
control the model. As driving 
skills improve, simply change 
to Sport or Race Mode for 
full-power operation.

Tip For Fast Mode Changes

The VXL-3s is set to Profile 1 
(Sport Mode) as the default. 
To quickly change to Profile 3 
(Training Mode), with the 
transmitter on, press and 
hold the SET button until the 
light blinks red three times 
and then release. 
For full power, quickly change 
back to Profile 1 (Sport Mode)  
by pressing and holding the 
SET button until the light 
blinks red one time and  
then releasing.

The VXL-3s has built in 
programming that prevents 
accidental activation of 
reverse while in forward 
motion and vice-versa. You 
must come to a complete 
stop, release the throttle 
trigger, then apply opposite 
throttle to engage the motor 
in the desired direction.

See page 24 for Advanced VXL-3s features.

VXL-3s 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 a fully charged battery pack to  

the VXL-3s and turn on your transmitter.

2. With the VXL-3s off, 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 

(Low-Voltage Detection ACTIVE) or red (Low-
Voltage Detection DISABLED). The model is ready to drive.

Selecting Race Mode

 (Profile #2: 100% Forward, 100% Brakes, No Reverse)

1. Connect a fully charged battery pack to  

the VXL-3s and turn on your transmitter.

2. With the VXL-3s off, 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 twice, release  

the EZ-Set button.

4. The LED will blink and then turn solid green 

(Low-Voltage Detection ACTIVE) or red (Low-
Voltage Detection DISABLED). The model is ready to drive.

Selecting Training Mode

 (Profile #3: 50% Forward, 100% Brakes, 50% Reverse)

1. Connect a fully charged battery pack to the 

VXL-3s and turn on your transmitter.

2. With the VXL-3s off, 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 three  

times, release the EZ-Set button.

4. The LED will blink and then turn solid green 

(Low-Voltage Detection ACTIVE) or red (Low-
Voltage Detection DISABLED). The model is 
ready to drive.

Note:

 If you missed the mode you wanted, keep the EZ-Set button pressed 

down and the blink cycle will repeat until the button is released and a Mode  
is selected.

LED Codes and Protection Modes

• Solid Green

: VXL-3s power-on light. Low-Voltage Detection is 

ACTIVATED (LiPo setting).

• Solid Red

: VXL-3s power-on light. Low-Voltage Detection is 

DISABLED (NiCad/NiMH setting). 

Never use LiPo batteries while 

Low-Voltage Detection is disabled. 

• Fast Blinking Red

: Thermal Shutdown Protection Stage 1. If the 

motor has lower than normal power and the VXL-3s is hot, the VXL-
3s has entered 

Stage 1 Thermal Shutdown Protection 

to guard 

against overheating caused by excessive current flow. If the motor 
has no power and the VXL-3s is very hot, the VXL-3s has entered 

Stage 2 Thermal Shutdown Protection 

and has automatically 

shut down. Let the VXL-3s cool. Make sure your model is properly 
geared for the conditions (see page 23). 

• Slow Blinking Red 

(with Low-Voltage Detection on):  The VXL-3s 

has entered 

Low-Voltage Protection

.  When the battery voltage 

begins to reach the minimum recommended discharge voltage 
threshold for LiPo battery packs, the VXL-3s will limit the power 
output to 50% throttle. When the battery voltage attempts to 
fall below the minimum threshold, the VXL-3s will shut down all 
motor output. The LED on the speed control will slowly blink red, 
indicating a low-voltage shutdown. The VXL-3s will stay in this 
mode until a fully charged battery is connected. 

• Alternating; Blinks Red then Green

:  If the motor has no power

the VXL-3s has entered 

Over

 

Voltage Protection

. If a battery with 

too high voltage  is used, the VXL-3s will go into a fail-safe mode. 

Warning

: If input voltage exceeds approximately 20-volts,  

the ESC may be damaged. Do not exceed 12.6 maximum peak 
input voltage.

• Blinking Green

:  The VXL-3s is indicating the transmitter  

Throttle Trim is incorrectly set. If the Multi-Function knob is  
set to throttle trim, then adjust the Throttle Trim to the middle  
“0” setting.

B

One blink Red

A

Green to Red to Off

D

Solid

C

Release

B

Two blinks Red

A

Green to Red to Off

D

Solid

C

Release

Three blinks Red

Green to Red to Off

B

A

D

Solid

C

Release

Summary of Contents for Stampede 4x4 VXL 6708

Page 1: ...owner s manual MODEL 6708 ...

Page 2: ...ake some time to read through the Owner s Manual This manual contains all the necessary set up and operating procedures that will allow you to unlock the performance potential that Traxxas engineers designed into your model Also be sure to read and follow the precautions and warnings in this manual and on any labels or tags attached to your model They are there to educate you on how to operate you...

Page 3: ...l assistance is also available at Traxxas com support You may also e mail customer support with your question at support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas service needs Maintenance and replacement parts may be purchased directly from Traxxas by phone or online a...

Page 4: ...as strongly encourages you to recycle your Power Cell battery when it has reached the end of its useful life Do not throw your battery in the trash All Power Cell battery packs display the RBRC Rechargeable Battery Recycling Corporation icon indicating they are recyclable To find a recycling center near you ask your local hobby dealer or visit www call2recycle org LiPo Batteries Lithium Polymer Li...

Page 5: ... Hobby knife Side cutters and or needle nose pliers Philips screwdriver Soldering iron For more information on batteries see Use the Right Batteries on page 11 U joint wrench Supplied Tools and Equipment 4 AA alkaline batteries Various pre load spacers and shock pistons on plastic tree see page 21 Body clips and body washers NiMH battery charger 4 way wrench 7 cell NiMH battery pack with Traxxas H...

Page 6: ... LED Light Pipe Battery Hold Down Battery Receiver Box Antenna Mount Front Suspension Arm Front Bumper Steering Servo Shock Oil Damper Turnbuckle Toe Link Turnbuckle Front Camber Link Turnbuckle Rear Camber Link Rear Shock Tower Traxxas High Current Connector Rear Body Mount Chassis Front Body Mount Front Shock Tower Drive Shaft Half Shaft Rear Suspension Arm Half Shaft Shock Guard ...

Page 7: ...ence from outside sources 3 Install batteries in the transmitter See page 11 8 Detail your model See sidebar page 8 The transmitter requires 4 AA alkaline or rechargeable batteries Apply other decals if desired 4 Install the battery pack in the model See page 12 9 Drive your model See page 18 Your model requires a fully charged battery pack Driving tips and adjustments for your model 5 Turn on the...

Page 8: ...s that energize the electromagnetic windings in sequence to provide rotation Opposite of a brushed motor the brushless motor has its windings coils on the perimeter of the motor can and the magnets are mounted to the spinning rotor shaft Cogging Cogging is a condition sometimes associated with brushless motors Typically it is a slight stutter noticed when accelerating from a stop It happens for a ...

Page 9: ...eld radio unit that sends throttle and steering instructions to your model Trim The fine tuning adjustment of the neutral position of the servos made by adjusting the throttle and steering trim knobs on the face of the transmitter Note The Multi Function knob must be programmed to serve as a throttle trim adjustment Thermal Shutdown Protection Temperature sensing electronics used in the VXL 3s ele...

Page 10: ... model is equipped with one servo and an electronic speed control MODEL WIRING DIAGRAM Antenna Receiver Velineon Brushless Motor see side bar for proper motor wiring Channel 2 Electronic Speed Control Channel 1 Steering Servo to Motor LED EZ Set Button On Off Button Heat Sink VXL 3s ELECTRONIC SPEED CONTROL Traxxas High Current Connector Male to Battery Motor Cap Traxxas High Current Connector Mal...

Page 11: ... completely discharged 3000 mAh battery will charge for approximately 8 hours with the included charger The LED will turn green when the battery is fully charged Disconnect the battery from the charger after charging Using Other Chargers Another convenient option for charging the included battery is an AC peak detecting charger that plugs directly into an AC wall outlet such as the TRX EZ Peak Par...

Page 12: ...with the patented Traxxas High Current Connector Standard connectors restrict current flow and are not capable of delivering the power needed to maximize the output of the Velineon Brushless Power system The Traxxas connector s gold plated terminals with a large contact surfaces ensure positive current flow with the least amount of resistance Secure long lasting and easy to grip the Traxxas connec...

Page 13: ...ED will flash fast red indicating a failure to link If you miss it simply turn off the transmitter and start over Always turn on the transmitter before plugging in the battery Radio System Basic Adjustments Throttle Neutral Adjustment The throttle neutral adjustment is located on the transmitter face and controls the forward reverse travel of the throttle trigger Change the adjustment by pressing ...

Page 14: ...s at neutral Warning Do not apply full throttle in forward or reverse while the model is elevated 8 Once adjustments are made turn off the receiver on your model followed by the hand held transmitter Range Testing the Radio System Before each running session with your model you should range test your radio system to ensure that it operates properly 1 Turn on the radio system and check its operatio...

Page 15: ... Steering Sensitivity Negative Exponential By turning the Multi Function knob clockwise the steering sensitivity of the model will be decreased Note that a relatively large amount of steering wheel travel results in a smaller amount of servo travel The farther you turn the knob the more pronounced the effect becomes Decreased steering sensitivity may be helpful when driving on low traction surface...

Page 16: ...our transmitter is properly adjusted set back to the factory defaults Otherwise you may not get the best performance from your speed control The transmitter should be adjusted as follows If the transmitter setting have been adjusted reset them to the factory defaults 1 Turn transmitter off 2 Hold both MENU and SET 3 Turn transmitter on 4 Release MENU and SET The transmitter LED will blink red 5 Pr...

Page 17: ...reen Low Voltage Detection ACTIVE or red Low Voltage Detection DISABLED The model is ready to drive SelectingTrainingMode Profile 3 50 Forward 100 Brakes 50 Reverse 1 Connect a fully charged battery pack to the VXL 3s and turn on your transmitter 2 With the VXL 3s off press and hold the EZ Set button until the LED turns solid green then solid red and then begins blinking red indicating the Profile...

Page 18: ...er Read and follow all maintenance and care instructions provided by the manufacturer of your batteries and charger Keep the VXL 3s cool Get plenty of airflow across the ESC heat sinks Use the correct Low Voltage Detection setting for your battery seepage16 Low Voltage Detection can be off for maximum NiMH battery runtime Never use LiPo batteries while Low Voltage Detection is turned off Lower you...

Page 19: ...not necessary to remove the receiver or unplug any of the wires 9 Additional Maintenance Increase your frequency of disassembly inspection and lubrication of the following items This is necessary after extended wet use or if the vehicle will not be used for an extended period of time such as a week or longer This additional maintenance is needed to prevent any trapped moisture from corroding inter...

Page 20: ...e camber In the rear adjust the wheels to 1 to 2 degrees of negative camber These adjustments should be set with the truck positioned at its normal ride height Shock Mounting Positions Big bumps and rough terrain require a softer suspension with the maximum possible suspension travel and ride height Racing on a prepared track or on road use requires a lower ride height and firmer more progressive ...

Page 21: ...urn the transmitter power switch on Make certain the transmitter s batteries are not depleted 4 Turn the transmitter s steering trim knob to the center 0 position 5 Disconnect motor wires A and C see page 10 to prevent the motor from turning during the next steps Connect a fresh battery pack to the speed control and turn on the ESC see page 16 The servo s output shaft will automatically jump to it...

Page 22: ...Inspect the driveline for signs of wear such as worn drive yokes dirty axle half shafts and any unusual noise or binding If a U joint pops apart then it is time to replace the part Remove the gear cover and Inspect the spur gear for wear and check the tightness of set screws in the pinion gears Tighten clean or replace components as needed Storage When you are through running the model for the day...

Page 23: ...g To lower the roll center further move the outer camber link ends to the lower position on the C hub Bump steer correction Bump steer refers to unwanted steering inputs caused by suspension movement Your model s suspension geometry is designed to minimize bump steer If you are using the upper hole on the C hub image A and either of the two lower holes on the shock tower positions 3 or 4 in Front ...

Page 24: ...o the wiring diagram on page 10 Sensored Brushless Motors The VXL 3s is fully compatible with sensored brushless motors Sensor motors use an additional sensor installed in the motor to communicate rotor position to the speed control The VXL 3s features a covered auxiliary port that accepts aftermarket motor sensors on the front face of the unit The VXL 3s has built in Sensor Motor Backup Protectio...

Page 25: ...n consistent long term performance Changing the oil in the differential with either lower or higher viscosity oil will vary the performance characteristics of the differentials Changing to a higher viscosity oil in the differential will reduce the tendency for motor power to be transferred to the wheel with the least traction You may notice this when making sharp turns on slick surfaces The unload...

Page 26: ...ferential cover Do not remove the two screws that secure the shock tower 7 Remove the differential cover and slide the differential out of the front of the case 8 To reinstall the differential reverse the steps Refilling the differential 1 Remove the four 2 5x10mm screws from the differential case and carefully pull the diff case halves apart Work over a towel to collect any fluid that drips from ...

Page 27: ...djustment settings you select will represent what you wish to be the servo s maximum travel the Steering Percentage or Braking Percentage functions will not override the End Point settings Steering and Throttle Sub Trim The Sub Trim function is used to precisely set the neutral point of the steering or throttle servo in the event that simply setting the trim knob to zero does not completely center...

Page 28: ...k green four times repeatedly 4 Press SET once The status LED will blink green once repeatedly 5 Press MENU once The status LED will blink green twice repeatedly 6 Press SET The memory is now selected to be deleted Press SET to delete the model Press and hold MENU to return to driving mode Failsafe Your Traxxas radio system is equipped with a built in failsafe function that returns the throttle to...

Page 29: ...ve Push forward to desired endpoint and press set to save To reset max throw Let go of controls and press SET The menu tree below shows how to navigate through the TQi transmitter s various settings and functions Press and hold MENU to enter the menu tree and use the following commands to navigate through the menu and select options MENU When you enter a menu you always start at the top Press MENU...

Page 30: ... LED blinks Press SET red LED blinks x3 Press MENU twice red LED blinks x3 Turn steering wheel to desired max left and right travel x8 Press SET to save each position Turn steering wheel to test settings IF END POINTS ARE OK Press hold MENU returns to driving mode IF END POINTS NEED TO BE CHANGED Press SET and repeat steps 6 8 To reset the END POINTS of STEERING servo to defaults Press hold MENU g...

Page 31: ... options Control Drive Effects settings such as steering and throttle sensitivity steering percentage braking strength and throttle trim by simply touching and dragging the sliders on the screen Real Time Telemetry When you equip your model with sensors the Traxxas Link dashboard comes to life showing you speed battery voltage RPM and temperature Set threshold warnings and log maximums minimums or...

Page 32: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 120227 KC1426 R01 owner s manual ...

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