@Black-Square Haha, thank you I guess you are on the American continent since you are online when it’s evening for me.
Now to the point: after re-reading my post, I realized I didn’t explain it very clearly.
Takeoff – full RPM, full throttle, full rich mixture.
Climb (for example to FL150) – still full RPM, full throttle, full rich mixture.
Cruise – I stabilize the aircraft, set RPM to about 2500, reduce the throttle, and slightly pull the mixture back so it is not at the full forward stop.
After letting the aircraft stabilize in this configuration for some time, I press the Lean Find button on the EDM-800.
I want Lean L, so I press both buttons.
I am now in Lean L mode and the display shows what you can see in the screenshot.
Here is where the problem starts – I gently pull the mixture lever back and expect the EGT bars to appear. However, no bars appear at all; none show up, and instead even the small amount that is there disappears. I can pull the mixture lever all the way back and the aircraft just starts losing power and descending.
So, simply put, my problem is that when I lean the mixture, the EGT columns do not appear, unlike what I see in all the videos and tutorials.
I have the impression that this might be a bug, but I still believe it is just me and that I am missing something. I will try to record a video.