Hm ... missed your reply before ...
Problem is, Scan and Flash seem to handle the locale differently! After all, it's the same computer, with the same locale setting ...
Given that Scan displays decimals with a "," on my system, and the Tune program showing tables with a ".", I would say it's the latter that does not honor the locale settings I changed the settings over to the US style ("." as decimal delimiter), now both programs display the values identically ...