TRA82056-4RED Traxxas TRX-4 Manual

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TRX-4
TRAXXAS TQ i RADIO SYSTEM
Automatic Fail-Safe
The TQi transmitter and
receiver are equipped with
an automatic fail-safe system
that does not require user
programming. In the event of
signal loss or interference, the
throttle will return to neutral
and the steering will hold its
last commanded position. If
the fail-safe activates while
you are operating your model,
determine the reason for
signal loss and resolve the
problem before operating
your model again.
In order to re-acquire the
signal after the fail-safe has
activated, you will need
to walk a longer distance
closer to the model than the
distance the model travelled
out of range. Simply keep
walking towards the model
until you re-acquire the signal.
USING THE RADIO SYSTEM
The TQi Radio System has been pre-adjusted at the factory. The
adjustment should be checked before running the model in case of
movement during shipping. Here’s how:
1. Turn the transmitter switch on. The status LED on the transmitter
should be solid green (not flashing).
2. Elevate the model on a block or a stand so that all the tires are
off the ground. Make sure your hands are clear of the moving
parts of the model.
3. Plug the battery pack in the model into the speed control.
4. Press and release the EZ-Set button on the speed control to
turn the model on. The speed control’s LED will glow green,
indicating that Low-Voltage Detection is activated to prevent
over-discharging of LiPo batteries (this may cause poor
performance from NiMH battery packs). Never use LiPo batteries
while Low-Voltage Detection is disabled. See page 18 for more
information. To turn the speed control off, press the EZ-Set
button until the LED turns off.
5. Turn the steering wheel on the transmitter back and forth and
check for rapid operation of the steering servo. Also, check that
the steering mechanism is not loose or binding. If the steering
operates slowly, check for weak batteries.
6. When looking down at the model,
the front wheels should be pointing
straight ahead. If the wheels are
turned slightly to the left or right,
slowly adjust the steering trim
control on the transmitter until
they are pointing straight ahead.
7. Gently operate the throttle trigger to ensure that you have
forward and reverse operation, and that the motor stops when
the throttle trigger is 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 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. Do 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.
Your model’s radio system is designed to operate reliably up to the
approximate distance that it is no longer easy or comfortable to see
and control the model. Most drivers will struggle to see and drive
their model at distances farther than a football field (300+ feet). At
greater distances, you could lose sight of your model and you may
also exceed the radio system’s operating range, which will cause
the failsafe system to activate. For best visibility and control of your
model, keep your model within 200 feet, regardless of the maximum
range available.
No matter how far you drive your model, always leave adequate space
between you, the model, and others. Never drive directly toward
yourself or others.
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