You might find more help on the ArduPilot project's discussion areas (or whatever flight controller you are using). HITL is really an exercise in hardware integration - the same principles apply that are used in the SITL implementation, but they have to be configured for the controller, and the...
Spektrum MLP6DSM Transmitter - RealFlight setup
The MLP6DSM is supported in RealFlight Trainer Edition and will soon be supported in RealFlight Evolution.
This video will walk you through setup with RealFlight Trainer Edition: Using the Spektrum MLP6DSM Transmitter over USB with RealFlight...
No worries! This will probably get a better response if it's in the discussion forum for the version you are using. If you let me know what that is, I can move it for you.
RealFlight Evolution was recently updated to use DirectX 11, a modern graphics library that is required by many newer computers.
However, some older computers may not support DirectX 11, so we are providing a way to run the final DirectX 9 version for those users. Note that this version will...
Spektrum SLT6 Transmitter - RealFlight setup
The SLT6 is supported in RealFlight Trainer Edition and RealFlight Evolution.
This video will walk you through setup with RealFlight Trainer Edition: Using the Spektrum SLT6 Transmitter over USB with RealFlight Trainer Edition
Many radios and PC game controllers can be used as a RealFlight controller. This thread will provide instructions for specific radios, as well as general concepts for setup.
Good find! It turns out this is not a new thing with DX11, but rather an existing limitation. I see the same behavior in RF 9.5S.
I am still filing a case on it, but it will be triaged through a different path, since it is not new. I am unsure of the feasibility of allowing transparency in...
Thanks for reporting this, and with such detailed repro steps. I'm filing it in our issue tracking system and will update the thread title.
This is case 84241.