the mem_0 is a file that is filled when live sweeping...
when the program starts it looks for this file, as the curve from last measurement comes up.. ( I think :-) )
i see this, because data in this file, is exact the last saved data from the last measurement...
probably this is a bug, that it can not start with empty data...
here is the file in annex
suc6 with it
Jempi ( ON7MA )