Desierto...that doesn't look like a wefax signal to me. I don't think you have it tuned right. It's been too long since I used mine to give you much help I'm afraid. Sorry!
The best thing I can tell you is to listen to the sound samples here:
-+- www.JVComm32.de Homepage -+- System Anforderungen Deutsch
If what you are trying to decode sounds like that...then you just have to play around with the menu items or contact tech support over at SeaTTY
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