Hello!
Not have support ticket, this is legacy device, out of support time.
djv.lemezlovas@gmail.com +36705258738 (I’m only hungarian speaking!)
Alternate solution: use without USB drive (without waveform data = memo not search in empty USB)?
Other (not software) problem in only one device of pair:
See photos, not earlier posts or title! This is worth looking for support team? I’m not beginner the electronics, available service manual, etc. I’d fix it myself if I could get some info on the cause of the error.
Thanks!