The interpretation chart has the Spanish ñ.Morse is morse. It doesn't have a language although it does change according to the alphabet in use Latin, Cyrillic, Japanese etc.
There's a radio thingy in there somewhere because of the frequency range on the knob. Some sort of radio direction finder?
Czech alphabet.There's also an Ö. What's the reason for the CH?
The captions on the 'radio' controls are in English.
ETA, Just noticed an é.
I was trying to establish what operates on those frequencies but its pretty broad.
Explore the 200 kHz to 400 kHz wireless spectrum usage by device FCC ID and FCC Rules. Convert 200 kHz to 400 kHz to Hertz, Kilohertz, Megahertz, or Gigahertz. Identify rules and operating devices at the 200 kHz to 400 kHz frequency bandwidth.fccid.io
Thats a candidate or possibly LFR.Non Directional Beacons use the MF band
"NDBs typically operate in the frequency range from 190 kHz to 535 kHz (although they are allocated frequencies from 190 to 1750 kHz) and transmit a carrier modulated by either 400 or 1020 Hz. "