XTM Racing Mammoth - Radio System Operation Checks; Range Checking the Radio System; Steering and Throttle;Brake Control Verification

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Step 2: Range Checking the Radio System
❑ With the transmitter and the receiver turned on, rotate the
transmitter's wheel forward (to the right). The front wheels on the
Mammoth RTR Nitro Monster Truck should turn right.
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✦ If the wheels don't turn right, flip the steering
servo reversing switch on the top of the transmitter to change the
direction. Refer to the transmitter photo on page # 4 if you don't
remember how to use the servo reversing switches.
❑ Rotate the transmitter's wheel backward (to the left). The front
wheels on the Mammoth RTR Nitro Monster Truck should turn left.
❑ Let go of the wheel. The Mammoth RTR Nitro Monster Truck's
wheels should return to center.
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✦ If the wheels do not point straight ahead (center)
after you return the steering wheel to center, move the steering
trim lever on the transmitter to adjust the wheels so that they point
straight ahead. Refer to the transmitter photo on page # 4 if you
don't remember how to use the servo trim levers.
Step 3: Checking the Steering and Throttle/Brake Controls
To ensure that the radio system is operating properly and prevent any chance of a runaway model, the radio system should be range
checked before the first run of the day and/or after a crash. To range check the radio system, do the following:
❑ With the transmitter and receiver turned on, extend the transmitter antenna completely.
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✦ Remember to always turn on the transmitter first, then turn on the receiver.
❑ With the Mammoth RTR Nitro Monster Truck on the ground (without the engine running) walk away from it about 150 feet. Move the
steering wheel while looking at the vehicle's wheels. The wheels should pivot back and forth as you rotate the steering wheel back
and forth. Because of the Mammoth RTR Nitro Monster Truck's weight and large wheels, the steering won't operate perfectly smoothly
unless you lift the front of the truck off the ground. This tendency goes away as soon as the truck is rolling.
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✦ If the radio system does not operate properly, please refer to the troubleshooting guide starting on page # 16 before
continuing further. Never attempt to operate your Mammoth RTR Nitro Monster Truck if the radio control system is not functioning
properly. Doing so could be harmful to others around you and/or to you or your model.
We suggest doing the steering tests while lifting the front of the truck off the ground. This will allow the steering system
to operate without any binding.
PRO TIP