• For maximum range, always point the front of the transmitter toward the model.
• Do not kink the receiver’s antenna wire. Kinks in the antenna wire will reduce range.
• DO NOT CUT any part of the receiver’s antenna wire. Cutting the antenna will reduce
range.
• Extend the antenna wire in the model as far as possible for maximum range. It is not
necessary to extend the antenna wire out of the body, but wrapping or coiling the
antenna wire should be avoided.
• Do not allow the antenna wire to extend outside the body without the protection of
an antenna tube, or the antenna wire may get cut or damaged, reducing range. It is
recommended to keep the wire inside the body (in the antenna tube) to prevent the
chance of damage.
To prevent loss of radio range do not kink
•
or cut the black wire, do not bend or cut
the metal tip, and do not cut the white
wire at the end of the metal tip.
Warranty Information
Traxxas warrants your Traxxas electronic
components to be free from defects in materials
or workmanship for a period of thirty (30) days
from the date of purchase. Before returning any product for warranty service, please contact our
service department at 1-888-TRAXXAS (U.S. residents only) to discuss the problem you are having
with the product. After contacting Traxxas, send the defective unit along with your proof of purchase
indicating the date purchased, your return address, e-mail, a daytime phone number, and a brief
description of the problem to:
• Allowing water, moisture, or other foreign material to enter the component or get onto the PC board.
• Exceeding the maximum input voltage of the electronic component.
• Reverse voltage application.
• Incorrect installation or wiring.
• Components worn from use.
• Splices to the input or switch harnesses.
• Disassembling the case.
• Excessive force when adjusting, pressing, or turning any of the controls.
• Tampering with the internal electronics.
• Incorrect wiring of an FET servo.
• Allowing exposed wiring to short circuit.
• Any damage caused by crash, flooding, or act of God.
Limitations
Any and all warranty coverage does not cover replacement of parts and components damaged by
abuse, neglect, improper or unreasonable use, crash damage, water or excessive moisture, chemical
damage, improper or infrequent maintenance, accident, unauthorized alteration or modification, or
1/16
Models
All Other
Traxxas Models
NoNo
items that are considered consumable. Traxxas will not pay for the cost of shipping or transportation
of a defective component from you to us.
Limitations of Liability
Traxxas makes no other warranties expressed or implied. Traxxas shall not be liable for any special,
indirect, incidental, or consequential damages arising out of the assembly, installation, or use of
their products or any accessory or chemical required to use their products. By the act of operating/
using the product, the user accepts all resulting liability. In no case shall Traxxas’ liability exceed the
actual purchase price paid for the product. Traxxas reserves the right to modify warranty provisions
without notice. All warranty claims will be handled directly by Traxxas. The Traxxas warranty gives
the customer specific legal rights and possibly other rights that vary from state to state. All dollar
amounts stated are in United States dollars. The term “lifetime” shall refer to the product’s production
life at Traxxas. Traxxas is not obligated to provide upgraded products at a reduced rate when a
previous product’s production cycle has ended.
Traxxas encourages you to register your model online at Traxxas.com/register.
Traxxas Lifetime Electronics Warranty:
After the expiration date of the free warranty period, Traxxas will repair electronic components for
a flat rate. The electronic products covered by this extended service plan include electronic speed
controls, transmitters, receivers, servos, and battery chargers. Motors, batteries, and mechanical
speed controls are not covered. The covered repairs are limited to non-mechanical components that
have NOT been subjected to abuse, misuse, or neglect. Products damaged by intentional abuse,
misuse, modification, or neglect, may be subject to additional charges. Visit Traxxas.com or call
1-888-TRAXXAS (1-888-872-9927) for details on extended warranty service and rates.
FCC Compliance
This device contains a module that complies with the limits for a Class B digital device as described
in part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
The limits for a Class B digital device are designed to provide reasonable protection against harmful
interference in residential settings. This product generates, uses and can radiate radio frequency
energy, and, if not operated in accordance with the instructions, may cause harmful interference to
radio communications. The user is cautioned that changes or modifications not expressly approved
by the party responsible for compliance could void the user’s authority to operate the equipment.
Canada, Industry Canada (IC)
This Class B digital apparatus complies with Canadian ICES-003 and RSS-210. This device complies
with Industry Canada license exempt RSS standard(s). Operation is subject to the following
two conditions: (1) this device may not cause interference, and (2) this device must accept any
interference, including interference that may cause undesired operation of the device.
Radio Frequency (RF) Exposure Statement
For body-worn operation, this device has been tested and meets FCC and Industry Canada RF
exposure guidelines when used with an accessory that contains no metal and that positions the
device a minimum of 5mm from the body. Use of other accessories may not ensure compliance with
RF exposure guidelines. To comply with the RF exposure compliance requirements, this device and its
antenna must not be co-located or operated in conjuction with any other antenna or transmitter.
TRANSMITTER AND RECEIVER
#6507R - 4-channel with Traxxas Link Wireless Module
*Accessory sensor ports for use with standard voltage/temperature and RPM telemetry sensors.
**Accessory sensor expansion port for use with the Telemetry Expander Module (see Traxxas.com for more information).
TQi RADIO SYSTEM • 3
GETTING STARTED
Traxxas Link Wireless Module and Traxxas Link App
A Traxxas TQi transmitter with the Traxxas Link™ Wireless Module
installed is required to set up Traxxas Stability Management (TSM) for your
specific vehicle model using the Traxxas Link App. The Traxxas Link Wireless
Module (part #6511) is included with the #6507R TQi transmitter (available
separately for easy installation in the #6509R TQi transmitter). The Traxxas
Link App is available in the Apple App Store℠ or on Google Play™.
If you do not have the Traxxas Link Wireless module installed, then you will
not be able to use the Traxxas Link App to access the specific software for
your model. TSM will function, but it will not be optimized for your model
and you may experience some unexpected behavior from the vehicle. If you
do see undesirable effects, turn the multi-function knob counterclockwise
to reduce TSM’s assistance until you are satisfied with the performance or
turn TSM completely off (see page 7 for additional information).
TQi Radio System Basic Adjustments
Steering Trim
The electronic steering trim located on the face of
the transmitter adjusts the neutral (center) point of
the steering channel.
Note: Traxxas Stability Management (TSM) must be completely turned
off while adjusting steering trim. See page 7 for TSM adjustments.
Multi-Function Knob
The Multi-Function knob can be programmed to
control a variety of functions. From the factory,
the Multi-Function knob controls Traxxas Stability
Management (TSM). For more detail on TSM, refer to page 7.
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 the button and sliding it to the desired position.
There are two settings available:
50/50: Allows equal travel for both acceleration and reverse.
70/30: Allows more throttle travel (70%) and less reverse travel (30%).
We strongly recommend to leave this control in its factory location until
you become familiar with all the adjustments and capabilities of your
model.
Note: 50/50 is the default factory setting and the required setting for
Traxxas nitro models. To change the throttle neutral adjust position for
an electric model, turn the transmitter off before adjusting the neutral
position. You will need to reprogram your electronic speed control to recognize the 70/30 setting. See your speed control’s instructions.
Receiver Installation
For best performance, it is recommended that the receiver be installed in the
same orientation as the original receiver (with the label facing upward).
Refer to the vehicle owner’s manual for additional information, wiring
diagrams, and detailed instructions on maintaining a watertight seal.
Use double-sided adhesive foam tape to install the receiver into the
receiver box. Once installed, plug the wires into the receiver.
4 • TQi RADIO SYSTEM
GETTING STARTED
Installing Transmitter Batteries
Your TQi transmitter uses 4 AA batteries. The battery compartment is
located in the base of the transmitter.
1. Remove the battery
compartment door by
pressing the tab and
sliding the door open.
2. Install the batteries
in the correct
orientation as
indicated in the battery
compartment.
3. Reinstall the battery door
and snap it closed.
4. Turn on the transmitter
and check the status LED
for a solid green light.
If the status LED flashes red, the transmitter batteries may be weak,
discharged or possibly installed incorrectly. Replace with new or
freshly charged batteries. The power indicator light does not indicate
the charge level of the battery pack installed in the model. Refer to
the Troubleshooting section on page 13 for more information on the
transmitter status LED codes.
Use the Right Batteries
Your transmitter uses AA batteries. Use new alkaline batteries.
Do not use rechargeable AA cells to power the TQi transmitter, as they
will not provide sufficient voltage for optimum transmitter performance.
Caution: Discontinue running your model at the first sign of weak
batteries (flashing red light on the transmitter) to avoid losing control.
Selecting Your Model Profile
Home screen (see page 11 for additional information).
If you do not have the Traxxas Link Wireless Module installed, then you will
not be able to use the Traxxas Link App to access the specic prole for your
model and the servo direction will need to be set manually.
Follow the
instructions on page 15 to change these setting(s) to suit your model.
Using the Traxxas TQi Radio System with non-Traxxas Models
The TQi radio system can be used with all popular servos in any hobbygrade RC vehicle. Follow the instructions on page 15 to change the servo
setting(s) to suit your model.
TQi RADIO SYSTEM • 5
USING THE RADIO SYSTEM
Before installing the TQi radio system in your model, make certain
the steering trim knob is centered. After you have installed and
bound the radio system, confirm the steering servo and throttle servo
(if installed) operate properly: turning the steering wheel right makes
the front wheels turn right (and vice-versa), and pulling the trigger
to the grip opens the throttle of your nitro engine. If either control
operates “backwards,” follow the menu tree on page 15 or use the
Traxxas Link App to reverse the servo’s operation.
After confirming correct servo operation, turn off TSM (see page 7) and
use the TQi’s steering trim knob to center your model’s front wheels so
it drives straight with the steering wheel at its neutral position; then,
return the multi-function knob to the desired TSM setting.
If there is not enough adjustment to achieve this with the steering trim
knob, reset the steering trim to its center position, then remove and
reinstall the servo’s steering horn to center the steering system as close
as possible. The steering trim knob can now be used to make the final
adjustments.
Repeat this process for the throttle servo. To access throttle trim, follow
the steps in the menu tree on page 15.
If your model is equipped with an electronic speed control, it will
have to be calibrated to the TQi radio system. Follow the instructions
included with your vehicle or your speed control to calibrate it properly.
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 operation as described in the
previous section.
2. Have a friend hold the model. Make sure hands and clothing are
clear of the wheels and other moving parts on the model.
3. Walk away from the model with the transmitter until you reach the
farthest distance you plan to operate the model.
4. Operate the controls on the transmitter once again to be sure that
the model responds correctly.
5. D o not attempt to operate the model if there is any problem with
the radio system or any external interference with your radio signal
at your location.
Higher Speeds Require Greater Distance
The faster you drive your model, the more quickly it will near the limit
of radio range. At 60mph, a model can cover 88 feet every second! It’s
a thrill, but use caution to keep your model in range. If you want to see
your model achieve its maximum speed, it is best to position yourself
in the middle of the model’s running area, not the far end, so you drive
the model towards and past your position. In addition to maximizing
the radio’s range, this technique will keep your model closer to you,
making it easier to see and control.
No matter how fast or far you drive your model, always leave
adequate space between you, the model, and others. Never drive
directly toward yourself or others.
6 • TQi RADIO SYSTEM
USING THE RADIO SYSTEM
TQi Binding Instructions
For proper operation, the transmitter and receiver must be
electronically ‘bound.’ This has been done for you at the factory.
Should you ever need to re-bind the system or bind to an additional
transmitter or receiver, follow these instructions. Note: the receiver
must be connected to a 4.8-6.0v (nominal) power source for binding
and the transmitter and receiver must be within 5 feet of each other.
1. Press and hold the transmitter’s SET button as you switch the
transmitter on. The transmitter’s LED will flash red slowly. Release the
SET button.
2. Press and hold the receiver’s LINK button as you switch the model
on. Release the LINK button.
3. When the transmitter’s and receiver’s LEDs turn solid green, the
system is bound and ready for use. Confirm that the steering and
throttle operate properly before driving your model.
TRAXXAS STABILITY MANAGEMENT (TSM)
Your radio system is equipped with
a new feature, Traxxas Stability
Management or TSM. TSM allows
you to experience all the speed and
acceleration that was engineered
into your Traxxas model by helping you to maintain control of the
vehicle in low-traction situations. TSM helps provide straight ahead
full-throttle acceleration on slippery surfaces, without fishtailing,
spinouts, or loss of control. TSM also dramatically improves braking
control. High speed cornering and control is also made possible as TSM
makes corrections for you, without intruding on your fun, or creating
unexpected side effects.
The Multi-Function knob on the TQi
transmitter has been programmed
to control TSM. The recommended
(default) settin g for TSM is to rotate
Recommended setting
the knob to the 12:00 position (the
zero mark on the dial).
Turn the knob clockwise to
increase assistance; turn the knob
counterclockwise to decrease
assistance. Turn the knob
counterclockwise to its stop to
turn TSM completely off.
Note: TSM is deactivated
automatically when driving or
Decrease
assistance
Increase
assistance
braking in reverse.
When driving on surfaces with some
TSM off
traction, decrease the TSM setting
to allow the vehicle to feel more
“loose” for power sliding, drifting, and so on. On surfaces with very
little traction (loose dirt, smooth concrete, ice/snow), increase TSM to
maximize acceleration and control.
Drive with TSM on and off to test how it is making your control of the
vehicle easier and more precise. For more information, visit Traxxas.
com/tsm.
Note: TSM must be completely turned off while adjusting steering
trim.
TQi RADIO SYSTEM • 7
ADVANCED TUNING GUIDE
Available Tuning Adjustments
All the features described below may also be accessed using the menu
and set buttons on the transmitter and observing signals from the LED. An
explanation of the menu structure follows on page 15. The following items
can be adjusted most easily using your mobile device with the Traxxas Link
Wireless Module and the Traxxas Link App (see page 11).
Your Traxxas transmitter has a programmable Multi-Function knob that
can be set to control various advanced transmitter functions (set to
Traxxas Stability Management (TSM) by default, see page 7). Experiment
with the settings and features to see if they can improve your driving
experience.
Steering Sensitivity (Exponential)
The Multi-Function knob on the TQi transmitter can be set to control
Steering Sensitivity (also known as exponential). The standard setting
for Steering Sensitivity is “normal (zero exponential),” with the dial full
left in its range of travel. This setting provides linear servo response:
the steering servo’s movement will correspond exactly with the input
from the transmitter’s steering wheel. Turning the knob clockwise
from center will result in “negative exponential” and decrease steering
sensitivity by making the servo less responsive near neutral, with
increasing sensitivity as the servo nears the limits of its travel range.
The farther you turn the knob, the more pronounced the change in
steering servo movement will be. The term “exponential” comes from
this effect; the servo’s travel changes exponentially relative to the
input from the steering wheel. The exponential effect is indicated as
a percentage—the greater the percentage, the greater the effect. The
illustrations below show how this works.
Normal Steering Sensitivity (0%
exponential):
In this illustration, the steering servo’s
travel (and with it, the steering motion
of the model’s front wheels) corresponds
precisely with the steering wheel. The
ranges are exaggerated for illustrative
purposes.
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
surfaces, when driving at high speed, or on tracks that favor sweeping turns where gentle
steering inputs are required. The ranges are exaggerated for illustrative purposes.
Turning Range
at Transmitter
Effective Turning
Range on Model
Throttle Sensitivity (Throttle Exponential)
The Multi-Function knob can be set to control Throttle Sensitivity.
Throttle Sensitivity works the same way as Steering Sensitivity, but
applies the effect to the throttle channel. Only forward throttle is
affected; brake/reverse travel remains linear regardless of the Throttle
Sensitivity setting.
8 • TQi RADIO SYSTEM
ADVANCED TUNING GUIDE
Steering Percentage (Dual Rate)
The Multi-Function knob can be set to control the amount (percentage)
of servo travel applied to steering. Turning the Multi-Function knob
fully clockwise will deliver maximum steering throw; turning the
knob counterclockwise reduces steering throw (note: turning the dial
counterclockwise to its stop will eliminate all servo travel). Be aware that
the steering End Point settings define the servo’s maximum steering
throw. If you set Steering Percentage to 100% (by turning the MultiFunction knob fully clockwise), the servo will travel all the way to its
selected end point, but not past it. Many racers set Steering Percentage
so they have only as much steering throw as they need for the track’s
tightest turn, thus making the model easier to drive throughout the rest
of the course. Reducing steering throw can also be useful in making a
model easier to control on high-traction surfaces, and limiting steering
output for oval racing where large amounts of steering travel are not
required.
Braking Percentage
The Multi-Function knob may also be set to control the amount of brake
travel applied by the servo in a nitro-powered model. Electric models do
not have a servo-operated brake, but the Braking Percentage function
still operates the same way in electric models. Turning the MultiFunction knob full clockwise will deliver maximum brake throw; turning
the knob counterclockwise reduces brake throw (Note: Turning the dial
counterclockwise to its stop will eliminate all brake action).
Throttle Trim
Setting the Multi-Function knob to serve as throttle trim will allow you
to adjust the throttle’s neutral position to prevent unwanted brake drag
or throttle application when the transmitter trigger is at neutral.
Note: Your transmitter is equipped with a Throttle Trim Seek mode to
prevent accidental runaways. See below for more information.
Throttle Trim Seek Mode
When the Multi-Function knob is set to throttle trim, the transmitter
remembers the throttle trim setting. If the throttle trim knob is moved from
the original setting while the transmitter is off, or while the transmitter was
used to control another model, the transmitter ignores the actual position of
the trim knob. This prevents the model from accidentally running away. The
LED on the face of the transmitter will rapidly blink green and the throttle trim
knob (Multi-Function knob) will not adjust the trim until it is moved back to its
original position saved in memory. To restore throttle trim control, simply turn
the Multi-Function knob either direction until the LED stops blinking.
Steering and Throttle End Points
The TQi transmitter allows you to choose the limit of the servo’s travel
range (or its “end point”) independently for left and right travel (on the
steering channel) and throttle/brake travel (on the throttle channel).
This allows you to fine-tune the servo settings to prevent binding
caused by the servo moving steering or throttle linkages (in the case
of a nitro model) farther than their mechanical limits. The end point
adjustment 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.
TQi RADIO SYSTEM • 9
ADVANCED TUNING GUIDE
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 the servo. When selected, Sub-Trim
allows finer adjustment to the servo output shaft’s position for precise
setting of the neutral point. Always set the Steering Trim knob to zero
before making final adjustment (if required) using Sub-Trim. If Throttle
Trim has been previously adjusted, the Throttle Trim will need to be
reprogrammed to “zero” before making final adjustment using Sub-Trim.
Setting Lock
Once you’ve adjusted all of these settings the way you like them, you
may want to disable the Multi-Function knob so none of your settings
can be changed. This is especially handy if you operate multiple vehicles
with a single transmitter via Traxxas Link
™
Model Memory.
Multiple Settings and the Multi-Function Knob
It is important to note that settings made with the Multi-Function
knob are “overlaid” on top of each other. For example, if you assign the
Multi-Function to adjust Steering Percentage and set it for 50%, then
reassign the knob to control Steering Sensitivity, the transmitter will
“remember” the Steering Percentage setting. Adjustments you make
to Steering Sensitivity will be applied to the 50% steering throw setting
you selected previously. Likewise, setting the Multi-Function knob to
“disabled” will prevent the knob from making further adjustments, but
the last setting of the Multi-Function knob will still apply.
Failsafe
Your Traxxas radio system is equipped with a built-in failsafe function
that returns the throttle to its last saved neutral position in the event of
signal loss. The LED on the transmitter and the receiver will rapidly flash red
to indicate the failsafe has been activated.
10 • TQi RADIO SYSTEM
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