Hi,
I juste receive my DSO Quad … and it freeze at start up.
=> youtube.com/watch?v=mSzdeTa7Y-Y
WTF ?
I made a upgrading FW 1.41 to 1.50 … and no change…
I try to remove and replace the battery … no change…
What can I do ?
edit: it was the picture recording button pusshed… It’s (normally) ok now ! 
Thanks