Operation Manual

Spektrum DX4C • tranSmitter inStruCtion manual

THE RUBBER GRIP

This transmitter includes 3 sizes of grips. The medium-size grip

is installed at the factory.

To change the rubber grip

1. Lift the edge of the grip and pull the grip away from the

handle.

2. Align the tabs on the new grip with the slots in the handle.

3. Press the grip against the handle.

MODELMATCH

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TECHNOLOGY

The Spektrum DX4C transmitter features ModelMatch

technology, preventing you from operating a vehicle when the

wrong model memory is active in the transmitter. If you select

the wrong model memory, the receiver will not respond to

the transmitter.

1. Remove the grip from the back of the transmitter handle.

2. Download the latest RaceWare ﬁrmware from

www.SpektrumRC.com to an SD card. The transmitter serial

number can be found by going to the About screen.

3. Install the SD card in the card reader slot on the DX4C

transmitter.

4. Power on the transmitter. A Spektrum logo and an installation

bar will appear. Installation is complete when the Main screen

appears.

5. Power off the transmitter.

6. Remove the SD card from the card slot on the transmitter.

7. Re-install the rubber grip on the transmitter handle.

The DX4C features an SD card reader, enabling you to update

the transmitter when RaceWare ﬁrmware updates are available.

the latest information regarding RaceWare ﬁrmware updates. To

install RaceWare ﬁrmware updates on your DX4C transmitter:

RACEWARE

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FIRMWARE UPDATES