PS/DVI-Output without Umlaute

[Edwin Hoff]

I'm using lyx 1.1.4fix3 under Debian-potato i86 to finish my thesis
thesis.
Every time I try to produce an PS/DVI-Output-File, the lovely program
looses
the german 'Umlaute'. I don't think that Umlaute are essentials for
communication
but they are necessary for my thesis. Does anybody know this problem and

how to solve it?
Edwin.