Will this work?

Example

To set the orientation of the lockdown screen to landscape:

lockdownorientation landscape

To set the orientation of the lockdown screen to portrait:

lockdownorientation portrait

Thanks for Your answer, Your commands are setting the lockdown menu to landscape, but not the applications I start from there.

The applications are still in portrait mode

Sorry I didnt even read my own script close. Let me look for my other cheat sheet as I was asked to do something like you were doing a few years back.  It might come down to how the App was wrote. Meaning if the vendor says I only want my app to display this way then you might not get a choice for that app. However others you might get the choice to display in however the screen is set.

This capability was added in MX 10.5. You'd have to update the TC52 to a new enough LG version to get it to the MX 10.5 level first, but then this configuration should apply.

It looks like the MX10.5 Version isn't released for TC52 yet. Latest LG29 is MX10.4.

I think there will be an update soon. Then I will try your commands.

Thanks for your help!