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1. Press and hold the SET button on the transmitter for two
seconds. The status LED will flash green.
2. Move and hold the throttle trigger to the full forward or full
brake position (it does not matter which position you choose).
3. While holding the throttle trigger in position, press the SET
button to reverse the channel.
4. The channel is now reversed. Recalibrate the speed control
and then confirm correct servo operation before running your
model.
USING THE RADIO SYSTEM
The TQ 2.4GHz Radio System has been adjusted at the factory for
correct operation with your model. 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
19 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.
TRAXXAS TQ 2.4GHz RADIO SYSTEM
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.
Higher Speeds Require Greater Distance
The faster you drive your model, the more quickly it will near the
limit of radio range. At top speeds, models can cover anywhere
between 50 to 100 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
truck's running area, not the far end, so you drive the truck 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.
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 fail-safe system to activate. For best visibility and control
of your model keep your model within 200 feet, regardless of the
maximum range available.
Using Reverse: While driving,
push the throttle trigger
forward to apply brakes.
Once stopped, return the
throttle trigger to neutral.
Push the throttle trigger
forward again to engage
proportional reverse.
6,7
TRX-4 SPORT • 17
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