Super! It works perfectly!
Thanks
saen acro for the help.
Thanks to everyone who contributed.
( to help other users in the future )
Summary:
1. Installed Libreelec image 9.2.6 from here:
https://libreelec.tv/2016/08/usb-sd-creator/
2. Install TVH 4.2 from repository
3. Installed TVH 4.3 from the zip file,
downloaded here:
http://build.mycvh.de/Tvh-LE9.2/4.3-1906-14.10.2020/
5. Set the persistent password on the user
6. Downloaded functional playlist with this command:
http://user:pass@tvh.ip.or.dns:9981/playlist/auth/channels
That was all!
For the developer:
The application is special. Congratulations!
Tip: A button in the HTML console to export the list per user. The above command is not elegant.
My greetings to all!
(Sorry, Google Translate)
Constantin