Support/FAQ for Pro Templates

Mike Shellim
Last updated 26 Sept 2022

This page is for support of the Pro templates. Here you can determine which OpenTx versions are supported, any known issues, and how to migrate your setups.

Supported operating systems

OpenTX 2.3

OpenTX 2.2

OpenTX 2.1


EdgeTX is a fork of OpenTX with YAML-format model files, touch support for the TX16S and extras mainly of interest to drone flyers. However, it doesn't offer any extra programming features, and is less stable than openTX. If using EdgeTX with the Pro templates, please observe the following:

Open issues

There are currently no open issues with the Pro templates

Closed issues

Date Problem description
2021-10-26 Show It All widget: runtime error in EdgeTX [fixed in ShowItAll 0.9.8]
2020-10-31 Flaps do not move [F3F template V5.0.1]
2020-06-20 Unexpected behaviour in Companion simulator [OpenTX 2.3.8]
2019-10-12 Advanced snapflap script (snp401) fails after migrating to OpenTX 2.3
2018-05-10 Custom sounds no longer work after upgrading from OpenTx 2.1 to 2.2
2017-12-10 Servo centres shift after upgrading from OpenTx 2.1 to 2.2
2017-10-23 Cannot calibrate flap neutral [OpenTx 2.2.0, fixed in 2.2.1]
2017-12-05 GV's corrupted in Companion after conversion [OpenTx 2.2.1 RC1]
2017-04-07 Cannot reverse left flap CH4 [OpenTx 2.2 RC14/ N366]
2017-04-06 CAL and/or arming gesture not recognised [E-Soar and E-Soar Plus]
2017-02-17 Timer starts at startup [E-Soar Plus 2.0 & OTX 2.2]
2016-12-23 'Speed' callout not working [F3J/TD 3.0.0 & X9E]
2016-02-01 LS, RS not mapped correctly on X9E [X9E]
2015-10-03 Can't switch flight modes [OpenTx 2.1.2 - 2.1.4]
2014-11-05 Incorrect Inputs spec [F3F 3.0.0]


Pro templates FAQ

Motor control (CH7) is not working on G-RX8 receiver
Make sure that CH7 is configured for PWM output (and not S.BUS out). See receiver instructions.
A switch is missing from the dropdown list
Sometimes, a switch which exists on the transmitter may be missing in the drop-down menus of the radio and/or Companion. To fix this, go to the System>Hardware menu. The chances are that the switch has not been defined. Once corrected, the switch should appear in the dropdown menus.
Where's the GVARs menu?!
There's no dedicated GVARS menu on tx's with small mono screens like Q X7, X-Lite, and X-Lite Pro. For these transmitters, the GVARS are set in the Flight Modes menu.
For all other transmitters, the most likely cause is incorrect settings when downloading the OpenTX firmware. Re-flash OpenTx ensuring that the NOGVARS option is unchecked in Companion Settings -> Build options.
How do I re-order the servo channels?
Servo channels can be re-ordered using Channel Changer script.
I think I've pressed the wrong key - help!
If you suspect you made a data entry error, then there's no need to start again. In Companion, load a .eepe or .otx file containing a known working version of the template, and use Companion's 'Compare models' tool to identify any differences.


Using the Pro templates with different transmitters

The Pro templates are built for the X9D. To convert a template for another transmitter: launch Companion, select a profile for the target transmitter, and open the template. Companion will perform a conversion.

Starting with OpenTX 2.2.2, Companion displays warnings if it encounters any conversion issues. Usually no action is needed. However if there's a genuine issue, then make sure to correct it in Companion before uploading to the transmitter.

In the example below, four mixes need to be verified; no correction is required since the 'old' and 'new' columns are identical.

Companion warnings

Transferring models to another transmitter

At some point you may wish to transfer all your models to a second transmitter.

The method described below will preserve the radio settings (including stick calibration) of the target transmitter.

  1. Start Companion, select a profile for the target transmitter (create a new profile if necessary, remembering to select the correct radio type).
  2. Connect the source transmitter by USB and choose "read models and settings from radio".
  3. If Companion encouters any conversion errors, these must be fixed in situ before proceeding.
  4. Disconnect the source transmitter.
  5. Connect the target transmitter by USB and choose "read models and settings from radio". This will open a second window.
  6. Drag your models from the source window to the target window.
  7. Close the source window. There should now be a single window open for the target transmitter.
  8. Choose 'write models and settings' to update the target transmitter.
  9. Copy all model-specific sound files to the target's SD card.
  10. Disconnect the target transmitter.

Note: If there's more than one point difference in version numbers for example 2.1->2.3, it's more reliable to convert the data in single-point steps 2.1->2.2->2.3. For this, you'll need to install multiple versions of Companion. The final transfer to the target need only be done after the last conversion.

Reporting issues

If you find an issue, please email me with the following detailed info:

If there's insufficient info to reproduce the problem, I'll just pass it back, so please take the time to document the steps carefully.


Official OpenTx website:


Comments and queries are always welcome, I can be contacted by email.