Not really a bug but ....
In Power vision 2.7.10475 the connections Tab>view pin out graphic comes up ... A really handy tool, .. : but if you have a client using a HVS780 it is missing the CAN2 ground and CAN Battery on pins 16, 17.
which gets them bit confusing when the NMEA port doesn't work lol:

Hello Guy,

I don't think the PV780/HV780s are suppose to need the power CAN 2. I'm checking to be sure.

HV700s do need power on CAN 2.