WSJT-X an JTAlert / QSO before B4


I have run thru the description serval times and set all
the switches asked for. But I still do not get a correct indication of calls, I have already worked before. They are still shown in the
JTAlert-display, but not marked B4.
What JTAlert-setting does effect this point most? Where to look at first? Thanks for your hint.
Suitbert, DF2PI

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