How to add Exponential to Rudder, Elevator and Ailerons on EdgeTX Companion
20th February 2026
Exponential give finer movement near the centre stick position which gets courser toward full movement
Start
- Double Click the Model you wish to change
The Model Configuration Window will appear with the Setup tab selected
- Select the Inputs Tap
Add Exponential to Rudder
- Double click I1:Rud to Open the Lines configuration window
- Change Curve to Expo, change Source to 30
- Click OK
Add Exponential to Elevator
- Double click I2:Ele to Open the Lines configuration window
- Change Curve to Expo, change Source to 30
- Click OK
Add Exponential to Ailerons
- Double click I4:Ail to Open the Lines configuration window
- Change Curve to Expo, change Source to 30
- Click OK
- Close the Window
Write the Configuration back to the Transmitter
- If the Transmitter is no longer connected to the computer, reconnect it
- While holding the Rudder and Aileron trims toward each other, Power On the Transmitter
- Connect a USB cable between the Transmitter and PC
- Select Write Models and Setting to Radio (Top of left tool bar)
- Disconnect the Transmitter
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