@Stormy

Played few days - real and now is ok

I`m still learning commands - actually I`m using mouse - double clicking on periscope depth and the U-boot going down to 11-12 meters

When the
F is pressed I can hear a little "chaos" - noices and voices - nice one - one of

I really like these sounds

And the tubes... Shift+F1 and go on
Thank you very much one more time for this solution
@misha
And your radio - in german or... swedish?

Btw I like Gillette - nice to have other option - thank you
Best regards,
Kurtz