as the title says, this concerns the german "Umlaute" (Ä, Ö, Ü) and further rarely used characters in scandinavian or slavic languages.
In the following fotos it should be "GONG_WÜ_", but the trema is almost not to be seen or completely cut out:
- on advanced RDS screen
- on AF/EON screen
- on main screen



as the title says, this concerns the german "Umlaute" (Ä, Ö, Ü) and further rarely used characters in scandinavian or slavic languages.
In the following fotos it should be "GONG_WÜ_", but the trema is almost not to be seen or completely cut out: