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docs/Troubleshooting.md
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@ -18,6 +18,7 @@
- The protocol/mode selection must be done before the power is applied to the module
- Often the signal is not sent to the module until the transmitter has performed safety checks (like switch and throttle position settings)
- Check that at least one of the protocol selection pins is connected to GND.
- Some radios have an open collector output (Futaba, Graupner...), in this case add a 4.7K resistor between PPM and BATT.
###Input Mode - Serial
- Make sure you have done the serial mods as indicated in the [hardware page for your board] (Hardware.md).