TBS Tracer Manual

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Which transmitter is affected by this?

The older QX7 & X10(S) radio from FrSky with the S-Port pin at the bottom of the radio.

All new radios with “ACCESS” marking and older radios than the QX7 (with bottom S-Port pin) don’t need

this hardware mod.

How to install the inverter mod

There is a detailed how-to available at phillip seidels blog

Software mod

Instead of installing the hardware mod, you can simply lower the speed on which the radio communicates

with your radio.

Navigate in your radio settings to the 

Hardware 

tab and set the 

Max Baud

setting from 400000 to 115000.

If your radio is known to not need this soft/hardware mod, the BaudRate setting is not available!

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