[ddots-l] problem with f2

Hi everybody,
with F2 I could get informations about the recorded material on an audio track. 
A sighted friend used my computer for working with a singer. And now CT6 says: 
"no value registred" when I press F2. What does happen? a parameter has been 
modified but I don't know where.
thank you for your help
Jean-Paul

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