Some success but still some problems...

Finally I managed to fit "central europe " map onto HD of tt.
I had to delete all all cspeech_*.dat and the cphoneme.dat in the map-folder, thanks Alfred_ML.

Then I copied fastactivate.exe onto root of TT´s HD and ran it.
I chose the nr. 1 option: "update meta txt" and after update exited from fast activate.

Then I unplugged TT from PC and powered it on.
Aftre power on it claims that " this map cannot be used..." ???

Where did I go wrong???