A: Partially. The "A" variant typically adds support for DVB-T2 and HEVC decoding. While 80% of the functions overlap (power measurement, spectrum), the codec and modulation sections differ significantly. Always search for the specific "A" version.
Before calling tech support, check the manual’s troubleshooting flowcharts. Common fixes include: Digicon Md-400a Manual Pdf
Avoid executable files (.exe) pretending to be PDFs. A legitimate manual is always a static PDF document between 2MB and 15MB in size. A: Partially