If I remember correctly the originator of Diptrace is Russian.Maybe it is me but the help / tutorial in Dip Trace is horrible. It reads like it was written by someone that does not speak English as a first language.
I see the same issues with my Zeroplus Logic Analyzer. These are not exactly tiny companies, you think they would have at least a few people that understand the products and could rewrite the help file.If I remember correctly the originator of Diptrace is Russian.