Doge 8 Clarity 2021 Phono settings

Well, I solved the hum, it was a grounding issue.  I am still having gain issues, could be my cartridge is too low for the MM stage.  Does anyone happen to know what the gain is on the MM and MC stages?  The only thing I've been able to find is the recommended outputs for cartridges on the Doge website: 

Can you tell me more about the ground 

And what you did to resolve it. My Doge 8 has always 

had a hum. 

I popped the top off and noticed there was a cable on the inside of the grounding bolt that wasn't secure.  I adjusted and tightened this cable connection, and that solved the hum issue.  My older Doge 8 LP does not have this ground connection on the inside.

FYI -  I eventually solved the gain issue with the MC settings, however I ended up adding an outboard phono stage anyway, the Hagerman Trumpet MC.  It uses 4 12AX7s and 2 12AU7s, so I could continue using my NOS Mazda silver plate tubes.  The onboard phono stage is very good considering, but the Hagerman sounds superior to my ears in my system.

Thank You!

Im going to open the top and check it out. Mine is Doge 8 Limited Edition version with Brimar tubes, its sounds great except the phono stage, iIwas starting to think it could be my cartage. This is all new to me