This is how you change mode and calibrate a DumboRC transmitter.

Blue light is normal mode.
Red light is mixed mode.

To change mode:
1. Turn off transmitter and ESC.
2. Hold full right and full reverse(Trigger forward).
3. While still holding, turn on the transmitter(The light starts flashing).
4. Release steering and throttle.
5. Press the throttle(The light is now solid blue or red).
6. Turn off transmitter.

To calibrate:
7. Turn off transmitter and ESC.
8. Hold full left and full throttle.
9. While still holding, turn on the transmitter.
10. Release steering and throttle.
11. Press the channel 3 button(The light starts flashing).
12. Move the steering and throttle to all there endpoints(Full left/right/throttle/brake).
13. Press the channel 3 button(The light stops flashing).

You can download the manual from here: [ Ссылка ]
Or just look at the image I've uploaded here: [ Ссылка ]

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