You can, and you don't , depends what MP version you use and where. In MP 1.2.x this is partly broken, in 1.3.x is broken more.
But, you can do this with number keys on your remote (SMS style search).
According to Wikipedia, Windows only uses code pages other than UTF-8 to support legacy (mostly 32 bit) applications and supports two code pages in addition to UTF-8 (OEM and ANSI). According to Microsoft, UTF-8 has been the preferred character set since 2019. If TV Server (or its import routine) were using UTF-8, then umlauts...
According to Wikipedia, Windows only uses code pages other than UTF-8 to support legacy (mostly 32 bit) applications and supports...
Because I have around 200 TV channels and more than a dozen groups, I tried to import the TV channel groups from an old export.xml...