Diagnosis
You want to display information about differentiating characteristics
; however, no correspondenceapplication is assigned.

System Response
It is not possible to display information about differentiatingcharacteristics within a certain correspondence application here.

Procedure
You can only receive general information about differentiatingcharacteristics here:
Display information about differentiatingcharacteristics
If you want specific information about differentiating characteristicswithin a certain correspondence application, go to a screen in whichthis correspondence application is also available. There, you select adifferentiating characteristic and press the F1 key.