The MAN301 docs are now on the website (Downloads). Here are the links:
Quick start guide (that comes with the MAN301 units in printed form):
http://www.weiss-highend.ch/man301/documents/MAN301_quick_start_guide.pdf
ibooks manual (has to be downloaded to the iPad via Safari):
http://www.weiss.ch/downloads/man301/WeissMAN.ibooks
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