Higher expectation leads to greater disappointment. After I successfully bound the transmitter with Betty, I realized that I had selected the wrong model. Model 1 is my brother's Blade 400, whereas my Betty is model 6. I spent the whole afternoon today sorting this out. Somehow the settings kept reverting back to default. I changed the model to number 6, turned off and on the transmitter, and yet model 1 kept showing up in the display every time.
I searched the Internet many times without finding any relevant result. The only similar issue I found was regarding the JR X9303, the predecessor of my brother's X9503. Some people commented that a resistor is burnt inside the transmitter. Well, I am not going to pry it open to check. That would void the warranty.
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| Betty sitting on top of the transmitter. |

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